JP2021071361A - Inspection system - Google Patents

Abstract

To enable the multiple kinds of inspection results by a plurality of inspection devices to be easily confirmed.SOLUTION: An inspection device 30 and a metal detection device 60 are installed adjacent to each other along a progression direction A2 of a visitor 3. An entrance inspection system 1 performs respectively different types of inspection (hand baggage inspection and belongings inspection) with regard to a baggage 2 and belongings that are the personal properties of the visitor 3. A control device 70 causes the determination results of two types of determination processes (hand baggage and belongings determination processes) to be displayed on a display 80 in association with each other as the inspection results of different types of inspection. The control device 70 causes the results of inspection carried out in a prescribed inspection period by a plurality of inspection devices (inspection device 30 and metal detection device 60) to be simultaneously displayed as the respective inspection results.SELECTED DRAWING: Figure 1

Description

The present invention relates to a technique for inspecting an object to be inspected.

As a technique for inspecting an object to be inspected, Patent Document 1 provides efficient baggage inspection by moving a baggage floor board that moves in a baggage lane and a person's floor board that moves in a person's lane at substantially the same speed. The technology to be performed is disclosed.

Japanese Unexamined Patent Publication No. 2019-11981

In the baggage inspection device conventionally used at airports and the like, a plurality of staff members are assigned to transport the baggage at a low speed and carry out a time-consuming inspection. On the other hand, the targets of terrorist attacks are diversifying to event venues, transportation facilities, office buildings, hotels, etc., and even if it is not airport-level security, it improves safety while maintaining throughput close to the current level, and is convenient. The need for high security is increasing.

In baggage inspection equipment for event venues, the installation space is limited, and it is often difficult to assign multiple staff members as in airports. Therefore, in order to perform baggage inspection with high throughput, an inspection device that can be handled by a small number of inspectors is required. However, the conventional baggage inspection device requires a person who operates the device, a person who looks at the screen, a person who receives the user's baggage and puts it in the inspection device, a person who receives the inspected baggage and hands it to the user, and the like. There was a problem that a small number of inspectors could not handle it.

Further, for example, when the personal belongings inspection and the baggage inspection by the metal detector are performed at the same time, it is troublesome to check each inspection result separately.
In view of the above background, an object of the present invention is to facilitate confirmation of a plurality of types of inspection results by a plurality of inspection devices.

In order to solve the above-mentioned problems, the present invention provides an inspection system in which the inspection is performed by a plurality of inspection devices that inspect different types of belongings of the visitors, and each inspection result is simultaneously displayed on one display surface. It is provided as a first aspect.

According to the inspection system of the first aspect, it is possible to easily confirm a plurality of types of inspection results by a plurality of inspection devices.

In the inspection system of the first aspect, the configuration in which the results of inspections performed by the plurality of inspection devices in a predetermined period are simultaneously displayed as the inspection results may be adopted as the second aspect.

According to the inspection system of the second aspect, it is possible to simultaneously display the inspection results of the same type a plurality of times for the same visitor.

In the inspection system of the first aspect described above, the inspection result of one of the plurality of inspection devices and the inspection result of the other inspection device first obtained after the inspection result is obtained are described. A configuration in which each inspection result is displayed at the same time may be adopted as the third aspect.

According to the inspection system of the third aspect, even when the time interval of a plurality of types of inspections is long, it is possible to make it difficult for an error in association to occur.

In the inspection system according to any one of the first to third aspects, the different types of inspections are all inspections for detecting an object, and only when the object is detected, the belongings. A configuration in which the image of the above is displayed as each of the inspection results may be adopted as the fourth aspect.

According to the inspection system of the fourth aspect, it is possible to prevent the inspector from paying unnecessary attention.

In the inspection system of any one of the first to fourth aspects described above, even if the configuration of determining whether or not the visitors can pass through is adopted as the fifth aspect as a comprehensive determination of the different types of inspections. Good.

According to the inspection system of the fifth aspect, it is possible to easily confirm whether or not the visitors may be allowed to pass through.

In the inspection system of any one of the first to fifth aspects, the sixth aspect is that the plurality of inspection devices are installed adjacent to each other along the traveling direction of the visitors. It may be adopted.

According to the inspection system of the sixth aspect, it is possible to facilitate a plurality of types of inspections in parallel.

In the inspection system according to any one of the first to sixth aspects, one of the plurality of inspection devices is an inspection device for detecting metal, and the inspection result of the inspection device is obtained by using light and sound. Instead, the configuration of notifying the inspector by displaying on the display surface may be adopted as the seventh aspect.

According to the inspection system of the seventh aspect, only the inspector can grasp the inspection result without notifying the visitors.

Diagram showing the appearance of the entrance inspection system according to the embodiment The figure which shows an example of the image which shows the displayed inspection result The figure which shows an example of the image which shows the displayed inspection result

[1] Example FIG. 1 shows the appearance of the entrance inspection system 1 according to the embodiment. The admission inspection system 1 is a system that inspects whether or not an attendee brings in a prohibited item (prohibited item) such as a knife at a place where the person enters an event venue or the like. The entrance inspection system 1 is an example of the "inspection system" of the present invention. The entrance inspection system 1 performs two types of inspections on the belongings of the visitor 3 shown in FIG. 1, for example.

The first type is an inspection to confirm whether or not the baggage 2 belonging to the visitor 3 contains prohibited items. The baggage 2 is a baggage carried by the visitor 3 by carrying it by hand, carrying it on his back, or hanging it on his shoulder. The second type is an inspection to confirm whether or not the belongings worn by the visitor 3 contain prohibited items. The personal belongings referred to here are those that are worn like accessories and those that are carried in a pocket of clothes or the like.

The entrance inspection system 1 is used by the visitors 3 and the inspector 4 who performs the work related to the inspection. A plurality of entrance inspection systems 1 may be installed depending on the size of the entrance, but in this embodiment, only one inspector 4 is assigned to each entrance inspection system 1, so-called one operation. Is being implemented. FIG. 1A shows the entrance inspection system 1 viewed from above vertically, and FIG. 1B shows the entrance inspection system 1 viewed from the horizontal direction.

The entrance inspection system 1 includes a first transport device 10, a second transport device 20, an inspection device 30, a hood 40, a camera 50, a metal detector 60, a control device 70, and a display 80. Both the first transport device 10 and the second transport device 20 are belt conveyors that transport baggage 2 in the transport direction A1. That is, the baggage 2 is conveyed by a belt conveyor that operates continuously. The first transfer device 10 and the second transfer device 20 are arranged side by side in the transfer direction A1 to form a transfer path B1.

In the entrance inspection system 1, an inspector 4 is arranged on either the left or right side of the transport path B1, and an inspection lane B2 through which the inspector 3 of the baggage 2 passes is provided on the opposite side of the inspector 4. .. The first transport device 10 is arranged on the upstream side of the second transport device 20, and is provided with a storage place B3 where the visitor 3 puts the baggage 2. A hood 40 and an inspection device 30 are installed on the downstream side of the hood 40 at the end of the transport path B1 where the luggage placed in the storage place B3 is transported.

The inspection device 30 is a device that captures a transmitted image through which the transported inspection object is transmitted. A transparent image is an image used for baggage inspection. For example, the inspection device 30 irradiates the baggage 2 passing through the photographing area B4 for capturing a transmitted image in the own device with an electromagnetic wave, and displays an image drawn by a shade according to the intensity of the electromagnetic wave transmitted through the baggage 2. Generate as a transparent image. The electromagnetic wave emitted by the inspection device 30 to the baggage 2 is an electromagnetic wave in a frequency band that passes through the baggage 2 but has a different transmittance depending on the substance of the contents of the baggage 2, and is, for example, X-ray.

When the primary inspection of the baggage 2 based on the transparent image taken by the inspection device 30 (hereinafter, also referred to as "baggage inspection") determines that the prohibited items are included in the baggage 2, the inspector 4 performs the baggage 2 Open and perform a secondary inspection to see what is actually in it. The control device 70 determines the necessity of the secondary inspection based on the captured transparent image. The detailed determination method will be described later.

A hood 40 is arranged on the entrance side of the inspection device 30. The hood 40 is a transparent member that covers the transport path of the baggage 2, and is provided to prevent the hands of the visitor 3 from entering the photographing area B4 where electromagnetic waves fly around. A camera 50 is provided vertically above the hood 40. The camera 50 captures an external image showing the appearance of the baggage 2 transported by the first transport device 10 through the hood 40.

The metal detector 60 is installed at a position adjacent to the inspection device 30 in the inspection lane B2, that is, the inspection device 30 and the metal detector 60 are adjacent to each other along the traveling direction A2 of the visitor 3. It is installed. The metal detector 60 has a gate large enough for a person to pass through, and detects the metal belongings worn by the visitor 3 by detecting the metal passing through the gate.

The metal detector 60 has an oscillator and a coil, and detects a metal possession by detecting a change in a magnetic field generated in the gate. The visitor 3 places the baggage 2 in the storage place B3 and has the baggage inspection performed. On the other hand, the three visitors pass through the gate of the metal detector 60 and are determined whether or not they are wearing metal belongings.

As a result of the primary inspection of belongings based on this metal detection (hereinafter also referred to as "belonging inspection"), if it is detected that the metal belongings are worn, the body check by the inspector 4 is 2 It is performed as the next inspection. The baggage 2 (including metal belongings (not shown)) transported by the first transport device 10 is subsequently transported by the second transport device 20 when the photographing by the inspection device 30 is completed and the baggage 2 reaches the exit of the inspection device 30. It is conveyed in the direction A1.

The visitor 3 who has completed the inventory inspection by the metal detector 60 proceeds to the second transport device 20 through the inspection lane B2 and receives the baggage 2 which has completed the baggage inspection. The transport speed of the second transport device 20 is slower than the transport speed of the first transport device 10, so that the visitor 3 can easily receive the baggage 2. However, when the secondary inspection is performed on the baggage 2, the inspector 4 receives the baggage 2 before the attendee 3.

The inspector 4 changes the contents of the baggage 2 in the presence of the attendee 3 and confirms the presence or absence of prohibited items. As described above, in the entrance inspection system 1, the baggage inspection by the inspection device 30 and the belongings inspection by the metal detector 60 are performed. In other words, the entrance inspection system 1 performs a plurality of inspection devices (inspection device 30 and metal detector 60) that perform different types of inspections (baggage inspection and belongings inspection) on the belongings (baggage 2 and belongings) of the visitor 3. ) To perform those different types of inspections.

The method for determining the secondary inspection by the control device 70 described above will be described. The control device 70 is a device that controls the operation of each device included in the entrance inspection system 1. The control device 70 is a computer including a processor such as a CPU (Central Processing Unit), a memory, a storage, a communication unit, and the like. The control device 70 is electrically connected to the first transfer device 10, the second transfer device 20, the inspection device 30, the metal detector 60, and the display 80 by wiring (not shown).

The control device 70 controls the operation of each device while exchanging data with each electrically connected device. The control device 70 performs an inspection process for inspecting whether or not the belongings of the baggage 2 and the visitor 3 contain prohibited items. Specifically, the control device 70 has a photographing process of causing the inspection device 30 to photograph the baggage passing through the photographing area B4, and whether the baggage contains prohibited items based on the transmission image taken by the photographing process. The baggage determination process for determining whether or not, that is, whether or not the secondary inspection by the inspector 4 is necessary is performed as the inspection process.

For example, the control device 70 analyzes the shape of the contents contained in the baggage from the captured transparent image by a well-known image analysis method, and whether the contents are prohibited from being brought in from the analyzed shape by a method such as pattern matching. The process of determining whether or not it is performed is performed as a baggage determination process. In addition, the control device 70 controls the metal detector 60 to perform a possession determination process for determining whether or not the visitor 3 is wearing a metal possession.

The control device 70 links the determination results of a plurality of types of determination processes (baggage determination process and belongings determination process) to each other as the inspection results of the different types of inspections (baggage inspection and belongings inspection) described above. It is displayed on the display 80. As shown in FIG. 1, the display 80 is provided at a position where the baggage 2 after shooting can be viewed from the place where the inspector 4 receives the baggage 2. Examples of the inspection results of the baggage inspection and the belongings inspection will be described with reference to FIGS. 2 and 3.

2 and 3 show an example of an image showing the displayed inspection result. In the example of FIG. 2, the control device 70 displays a result image C1-1 showing the result of the baggage inspection and a result image C2-1 showing the result of the belongings inspection on the display surface 81 of the display 80. .. In this embodiment, the result of the baggage inspection is shown as "OK" if it is determined that the baggage does not contain prohibited items, and "NG" if it is determined that the baggage contains prohibited items. It shall be done.

In the example of FIG. 2, since the result image C1-1 shows "NG", it is shown that it is determined that the baggage 2 contains prohibited items. In this example, the result of the belongings inspection is "OK" when it is determined that the metal belongings are not worn, and "NG" when it is determined that the metal belongings are worn. It shall be represented by. In the example of FIG. 2, since the result image C2-1 shows "OK", it is shown that the visitor 3 is determined not to wear metal belongings.

In this way, the control device 70 simultaneously displays the inspection results of the baggage inspection and the belongings inspection on one display surface 81. In this embodiment, the control device 70 simultaneously displays the results of inspections performed by a plurality of inspection devices (inspection device 30 and metal detector 60) during a predetermined period (hereinafter referred to as “inspection period”) as the inspection results. Let me. The inspection period is, for example, a period starting from the time when the camera 50 photographs the baggage 2 (hereinafter referred to as “baggage photographing time”).

The control device 70 analyzes the image taken by the camera 50 and specifies the time when the object passing on the transport path B1 is recognized as the baggage taking time. The control device 70 sets a period from the baggage shooting time to the elapse of a predetermined time as an inspection period, and displays a result image showing the result of the inspection performed during the inspection period. As the predetermined period, for example, a period obtained by adding a time considering individual differences to the average time required for a visitor to pass through the metal detector 60 after placing the baggage is used.

In this embodiment, the transport speed by the first transport device 10 is set to be significantly faster than the walking speed of a person. Therefore, the inventory inspection usually ends later than the baggage inspection. Further, in addition to the result image, the control device 70 displays a transparent image G1-1 of the baggage 2 taken during the inspection period and an external image G2-1 of the baggage 2 taken during the same inspection period. ..

Since the transparent image G1-1 shows the prohibited items (the contents in the shape of a knife in the example of FIG. 2) in the baggage 2, the inspector 4 should find the contents at the time of the secondary inspection. You can get an idea of things. Further, since the appearance image G2-1 shows the appearance of the baggage 2 to be secondarily inspected, it is possible to prevent the inspector 4 from erroneously inspecting a different baggage.

Further, the control device 70 determines whether or not the visitor 3 can pass through as a comprehensive judgment of different types of inspections (baggage inspection and belongings inspection), and displays a comprehensive judgment result image C3-1 showing the result of the comprehensive judgment. It is displayed on the display 80. In the example of FIG. 2, the control device 70 determines that the baggage inspection result is “NG”, so that the visitor 3 cannot pass through, and the comprehensive judgment result image C3-indicating that the secondary inspection is necessary. 1 is displayed.

In the example of FIG. 3, the control device 70 has a result image C1-2 indicating that the result of the baggage inspection is “OK” and a result image C2-2 indicating that the result of the belongings inspection is “OK”. Is displayed on the display surface 81. Further, the control device 70 displays a transparent image G1-2 in which a prohibited object is not shown and an external image G2-2. Further, since the result of both the baggage inspection and the belongings inspection is "OK", the control device 70 determines that the visitor 3 can pass through, and the comprehensive judgment result image C3-indicating that the secondary inspection is unnecessary. 2 is displayed.

As described above, when the inspector 4 is at the place where the baggage to be inspected for the secondary inspection is received, the result of the baggage inspection and the result of the belongings inspection can be obtained by simply looking at the display 80 on which each inspection result is displayed. You can know. As described above, according to the present embodiment, the confirmation of the plurality of types of inspection results by the plurality of inspection devices (inspection device 30 and the metal detector 60) is compared with the case where the plurality of types of inspection results are displayed separately. Can be facilitated.

Further, in this embodiment, the control device 70 links the results of the inspections performed during the inspection period as a plurality of types of inspection results by the plurality of inspection devices and displays them at the same time. As a result, for example, even if a visitor has a plurality of baggage, if the baggage inspection is performed during the inspection period, the results of the plurality of baggage inspections are displayed. As described above, in this embodiment, it is possible to simultaneously display the same type of inspection results for the same visitor.

Further, in this embodiment, since the comprehensive judgment is made as shown in FIGS. 2 and 3, it is easy to confirm whether or not the visitors can be passed through as a result of performing a plurality of types of inspections. Can be done. Further, in this embodiment, the inspection device 30 and the metal detector 60 are installed adjacent to each other along the traveling direction A2 of the visitor 3. This makes it easier to proceed with baggage inspection and belongings inspection in parallel.

Further, in a general metal detector, when metal is detected, the inspector 4 may be notified by making a sound or turning on a lamp. On the other hand, the entrance inspection system 1 notifies the inspector of the inspection result of the metal detector 60 by displaying it on the display surface 81 without using light and sound. As a result, in this embodiment, only the inspector 4 can grasp the result of the belongings inspection without notifying the visitor 3. Of course, light and sound may be used together by a method of notifying only the inspector 4.

[2] Modification Examples Each of the above-described examples is merely an example of the embodiment of the present invention, and may be modified as follows. Moreover, each Example and each modification may be combined as necessary.

[2-1] Arrangement of Inspection Devices In the embodiment, a plurality of inspection devices (inspection device 30 and metal detector 60) are installed adjacent to each other along the traveling direction A2 of the visitor 3, but a plurality of inspection devices are installed. The arrangement of inspection equipment is not limited to this. For example, a plurality of inspection devices may be arranged side by side in order along the traveling direction A2 of the visitor 3. Even in that case, the control device 70 can easily confirm the plurality of types of inspection results by associating the determination results of the plurality of types of determination processes with each other and displaying them on the display 80.

[2-2] Method of linking inspection results In the embodiment, the control device 70 links the results of the inspections performed during the inspection period as each inspection result and displays them at the same time, but links a plurality of types of inspection results. The method is not limited to this. In this modification, the control device 70 sets the inspection result of one of the plurality of inspection devices and the inspection result of the other inspection device first obtained after the inspection result is obtained. It is linked as and displayed at the same time.

The control device 70 determines, for example, that the inspection result of the baggage inspection is obtained when the baggage determination process is completed, and that the inspection result of the belongings inspection is obtained when the inventory determination process is completed. Then, for example, when the baggage determination process is completed first, the control device 70 links the inspection result by the baggage determination process with the inspection result by the belongings determination process that was completed first after the inspection result is obtained. Attach and display at the same time.

Further, when the inventory determination process is completed first, the control device 70 links the inspection result by the inventory determination process with the inspection result by the baggage determination process that was completed first after the inspection result is obtained. And display at the same time. In this modified example, for example, as described in the above modified example, a plurality of inspection devices are arranged side by side in order along the traveling direction A2 of the visitor 3, and a plurality of types of inspections (in this modified example, baggage inspection and belongings inspection). ), Even if the time interval is long, it is possible to make it difficult for mistakes in association to occur.

[2-3] Types of inspections The types of inspections performed by the entrance inspection system 1 are not limited to those described in the examples. For example, an inspection may be performed in which a reflected image is taken by a millimeter wave or a terahertz wave instead of a metal detector. In addition, an inspection for detecting a liquid contained in baggage (a suspected explosive), an inspection for detecting a trace of an explosive called a trace, or the like may be performed. In either case, the admissions inspection system is equipped with an inspection device that performs each inspection and performs those inspections. In short, any inspection may be performed as long as it is an inspection for detecting prohibited items and preventing danger at the venue.

[2-4] Image display of belongings In the embodiment, the control device 70 displays a transparent image and an appearance image of the baggage regardless of the results of the baggage inspection and the belongings inspection, but the present invention is not limited to this. The different types of inspections (baggage inspection and belongings inspection) performed by the entrance inspection system 1 are all inspections for detecting an object (prohibited items).

In this modification, the control device 70 displays an image of the belongings as an inspection result only when the object is detected from the belongings of the visitors. The image of belongings is, for example, a transparent image and an appearance image shown in FIG. 2 and the like. If the different types of inspections include, for example, inspections using reflected images taken by millimeter waves or terahertz waves described in the above modification, those reflected images are included in the image of belongings. You may.

If the transparent image is displayed even when the baggage inspection is "OK", the inspector 4 looks at the transparent image and looks at the transparent image before recognizing that the inspection result is "OK" by looking at the result image. May end up looking for. According to this modification, if the object is not detected, the image of the belongings is not displayed, so that the inspector 4 can be prevented from paying such unnecessary attention.

[2-5] Luggage Inspection Location In the embodiment, the case where the luggage inspection is performed at the event venue has been described, but in addition to this, for example, at the entrance of a vehicle such as an airport, a station, a port, or a bus terminal. It may be held at the entrance of facilities such as concert venues, sports stadiums, stadiums and museums. In short, if it is necessary to check the contents of the luggage of the visitors at the entrance for safety, the luggage may be inspected at any place (entrance).

[2-6] One Transfer Device In the embodiment, the number of transfer devices is two, but it may be one. In that case, the transport speed may be constant at all times, and when the number of packages to be inspected is small (for example, when only one package is inspected at one time), the transport speed is increased when the packages pass through the photographing area B4. After the baggage has passed through the photographing area B4, the transport speed may be slowed down.

1 ... admission inspection system, 10 ... first transport device, 20 ... second transport device, 30 ... inspection device, 40 ... hood, 50 ... camera, 60 ... metal detector, 70 ... control device, 80 ... display.

Claims (7)

An inspection system in which the inspection is performed by a plurality of inspection devices that inspect the belongings of the visitors of different types, and the inspection results are simultaneously displayed on one display surface. The inspection system according to claim 1, wherein the results of inspections performed by the plurality of inspection devices in a predetermined period are simultaneously displayed as the inspection results. According to claim 1, the inspection result of one of the plurality of inspection devices and the inspection result of the other inspection device first obtained after the inspection result is obtained are simultaneously displayed as the inspection results. The described inspection system. Each of the different types of inspections is an inspection for detecting an object, and only when the object is detected, any one of claims 1 to 3 for displaying an image of the belongings as each inspection result. The inspection system according to item 1. The inspection system according to any one of claims 1 to 4, which determines whether or not the visitors can pass through as a comprehensive determination of the different types of inspections. The inspection system according to any one of claims 1 to 5, wherein the plurality of inspection devices are installed adjacent to each other along the traveling direction of the visitors. One of the plurality of inspection devices is an inspection device for detecting metal, and claims 1 to 6 notify the inspector of the inspection result of the inspection device by displaying it on the display surface without using light and sound. The inspection system according to any one of the above.

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