JP2016177403A - Entrance/exit device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an entrance/exit device that has a high degree of freedom in design, can accurately detect a passer, and can monitor even a tailgating visitor at a high reliability.SOLUTION: An entrance/exit device 1 includes a pair of entrance/exit management gates 2a and 2b on the opposite sides of a passage 16, and monitors the passing of a passer 8. The entrance/exit management gates 2a and 2b include an area sensor 5 to which a plurality of detection areas 6 can be set, and can detect the passing of the passer 8 in a traceable manner.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an entrance / exit device, and more particularly, to an entrance / exit device that is provided with a pair of entrance / exit management gates across a passage and manages the passage of passersby.

  For example, security gates are provided to manage traffic for passers-by at ticket gates of transportation facilities such as railways, entrances and exits of buildings such as office buildings, and entrances and exits of various facilities. In this security gate, a pair of entrance / exit management gates are provided across a passage through which passers-by enter and exit. And a sensor may be arrange | positioned in the channel | path of an entrance / exit apparatus in order to perform passage monitoring.

  FIG. 5 shows a conventional entrance / exit device 20. FIG. 6 shows a BB cross section of the entrance / exit device 20 shown in FIG. The entrance / exit device 20 is provided with a pair of entrance / exit management gates 2a, 2b across the passage 16. The pair of entrance / exit management gates 2a, 2b has a length from the entrance position 11 to the exit position 12. The passerby 8 enters the entrance / exit device 20 from the entrance 3 and advances from the exit 4, or enters the entrance / exit device 20 from the exit 4 and advances from the entrance 3. The entrance / exit management gates 2 a and 2 b are both connected to the control unit 9, and an opening / closing door 14 is provided in the passage 16. The control unit 9 opens or closes the opening / closing door 14 to permit the passerby 8 to pass or not.

  In the passage 16, sensors 15a and 15b are arranged at the entrance / exit management gates 2a and 2b. An infrared sensor is generally used for the sensors 15a and 15b. Since the entrance-side infrared sensor 15a and the exit-side infrared sensor 15b detect an object as a “point”, the small-sized object existing between the infrared sensors 15a and 15b cannot be detected. The sensors 15a and 15b can monitor only a fixed direction. Therefore, in order to detect a small object, a plurality of infrared sensors 15a and 15b are prepared, and are detected side by side on a line through which a passer-by 8 passes as shown in FIG. In FIGS. 5 and 6, four entrance-side infrared sensors 15 a and four exit-side infrared sensors 15 b are provided, but the number is not limited to this.

  In patent document 1, in an automatic ticket gate apparatus that performs ticket gate processing using a wireless medium, by recognizing the identity of the wireless medium and the owner, and preventing interference with passengers passing through another gate, An automatic ticket gate device that enables correct ticket gate processing is disclosed. Here, a plurality of infrared sensors for detecting a passerby are provided, and when one of the plurality of infrared sensors detects a passerby, the identity of the wireless IC card and the passerby is determined, and the infrared sensor It is described that it is determined whether or not to permit passage of the ticket gate unit by the detected passerby. 6 of this patent document 1 describes that infrared sensors provided at four locations are arranged in the horizontal direction to detect a passerby.

  On the other hand, as a known technique related to a sensor, an area sensor that has a detection region composed of a two-dimensional region and can detect an object in plan is put into practical use. The area sensor detects an object as a “surface” while the infrared sensor detects the object as a “point”. In other words, elements that convert light brightness into an electrical signal are arranged in a plane. This area sensor can change the range of the monitoring area by changing the angle. Further, it has a feature that it can be detected by changing the “granularity” of the image.

  Patent Document 2 discloses a parking facility that uses an area sensor to stop turning of a turntable when a vehicle or the like protrudes from a predetermined area. Here, it is described that eight area sensors are arranged above the safe turning area, and a detection area composed of a substantially regular octagonal outer wall surface is configured so as to surround the safe turning area by the detection area. .

JP 2009-53851 A JP 2002-276189 A

  As described above, an infrared sensor that has been conventionally used detects an object passing through a pair of gates sandwiching a passage as a “point”, and thus cannot detect a small object existing between infrared sensors. Therefore, there is a problem that the passers-by passing through the gate cannot be managed with high accuracy and the reliability of entrance / exit management is low.

  In order to solve this problem, it can be considered that a plurality of infrared sensors are juxtaposed. However, there is a problem of radio wave interference between adjacent sensors, and it is necessary to separate a plurality of infrared sensors at an appropriate distance. In addition, if a plurality of infrared sensors are arranged on the line according to the height of the passerby, there is a problem that the distance in the passage direction of the security gate becomes long and the design freedom of the entrance / exit device is lowered.

  In addition, since the conventional infrared sensor can only monitor a fixed direction, if there is an object that blocks the infrared sensor, the passer-by may be hidden and the passer-by may not be detected until the object moves. For this reason, there was a problem that a passerby could not be detected accurately.

  Furthermore, in the case of a conventional infrared sensor, when a passerby is accompanied by a companion, for example, the passer and the companion may overlap each other on the line of the infrared sensor and cannot be distinguished. For this reason, there was a problem that the reliability of entrance / exit management was low.

  The purpose of the present application is to provide an entrance / exit device that solves such a problem, has a high degree of freedom in design of the entrance / exit device, can detect a passerby with high accuracy, and can perform monitoring with high reliability even for accompanying visitors Is to provide.

  In order to achieve the above object, an entrance / exit device according to the present invention is provided with a pair of gates across a passage and manages the passage of passers-by, and a plurality of detection areas are set in the gate. An area sensor that can be used is provided, and the passage of a passerby can be detected freely.

  With the above configuration, the entrance / exit device can use a function that can detect a passerby by “surface”, and the area sensor can set a plurality of detection areas in the gate passage. With this function, unlike the conventional infrared sensor that detects by “point”, the movement of the passerby can be tracked and monitored by a single area sensor, so the width of the security gate in the passage direction can be shortened. The degree of freedom in designing entry / exit devices is increased.

  In addition, since an area sensor that can set a plurality of detection areas is provided at the gate, even if there is an object that blocks the area sensor in one detection area and a passerby hides, It is possible to detect with high accuracy by setting a plurality of detection areas in the passage and detecting by changing the angle.

  In addition, since an area sensor that can set multiple detection areas is provided at the gate, even if a passerby has accompanying visitors, set multiple detection areas in the gate passageway and set the angle. By changing it, you can monitor with high reliability.

  In the entrance / exit device, it is preferable that the area sensor is installed at the center between the entrance position and the exit position of the pair of gates, and the detection areas are set in opposite directions in normal times. Thereby, entrance / exit can be monitored by the area sensor installed in the center. For this reason, the length of the security gate in the passage direction can be shortened, and the degree of freedom in designing the entrance / exit device is increased. In addition, since at least one area sensor for monitoring the entrance position and at least one area sensor for monitoring the exit position are installed, monitoring using the detection area becomes possible.

  The entrance / exit device preferably includes a control unit that controls an area sensor of the gate, and the control unit preferably switches the detection area to be monitored according to the position and approach direction of the passerby detected. As a result, not only the position and direction of the single passerby but also the object or companion who interferes with the detection of the area sensor can be easily tracked by the control unit and entered with high accuracy and high reliability. Exit can be detected.

  In addition, the entrance / exit device allows the control unit to check the traveling direction of the passer and monitor the passer by monitoring the other area sensor when the passer is blocking the field of view of the one area sensor. It is preferable to set a detection area. Thereby, a control part can be made to cooperate a some area sensor flexibly, and can detect a passerby with high precision.

  In addition, when the area sensor detects a passerby, the control unit sets a detection area for the other area sensor so that the other area sensor can monitor the passerby's entrance. It is preferable to set. Thereby, a control part can be made to cooperate a some area sensor flexibly, and can perform monitoring with high reliability also to a accompanying visitor.

  Further, in the entrance / exit device, it is preferable that the control unit adjusts the resolution of the area sensor in accordance with a passerby's situation. Thereby, the detection accuracy can be improved by adjusting the resolution of the area sensor when detecting a passerby or a co-entrant.

  As described above, according to the entrance / exit device according to the present invention, the design freedom of the entrance / exit device is high, a passerby can be detected with high accuracy, and a highly reliable monitoring is possible even for accompanying visitors. Can be provided.

It is a top view including a partial explanatory view which shows schematic structure of one Embodiment of the entrance / exit apparatus which concerns on this invention. It is AA sectional drawing of the entrance / exit apparatus shown in FIG. It is the expanded explanatory view which shows one Example regarding operation | movement of the area sensor in an entrance / exit apparatus. It is explanatory drawing to which one Example regarding the operation | movement of an area sensor at the time of detecting a companion is shown enlarged. It is a top view including one part explanatory drawing which shows one Example of the conventional entrance / exit apparatus. It is BB sectional drawing of the entrance / exit apparatus shown in FIG.

(Configuration of entrance / exit equipment)
Hereinafter, an embodiment of the entrance / exit apparatus 1 according to the present invention will be described in detail with reference to the drawings. In FIG. 1, schematic structure of one embodiment of the entrance / exit apparatus 1 is shown. FIG. 2 shows a cross section taken along line AA of the entrance / exit device 1 shown in FIG. This entrance / exit device 1 manages entry / exit or entrance / exit of objects such as passers-by or passengers, luggage and cargo, such as ticket gates of transportation facilities such as railways, entrances / exits of buildings such as office buildings, and entrances / exits of various facilities. It is widely applied as a device for performing

  The entrance / exit device 1 is provided with entrance / exit management gates 2a and 2b which are a pair of security gates with the passage 16 in between. Area sensors 5a and 5b are installed in the entrance / exit management gates 2a and 2b. In this embodiment, the entrance / exit management gate 2a is the main machine, and the entrance / exit management gate 2b is the slave machine. The pair of entrance / exit management gates 2a, 2b has a length from the entrance position 11 to the exit position 12, as shown in FIG. The passerby 8 enters the entrance / exit device 1 from the entrance 3 and advances from the exit 4, or enters the entrance / exit 1 from the exit 4 and advances from the entrance 3. An opening / closing door 14 is provided in the passage 16. Furthermore, the entrance / exit management gates 2 a and 2 b are both connected to the control unit 9.

(Installation of area sensor)
The area sensors 5a and 5b provided in the entrance / exit management gates 2a and 2b detect the object as a “surface”. In other words, elements that convert light brightness into an electrical signal are arranged in a plane. The area sensor 5 scans a peripheral area by irradiating an object with a laser pulse. The area sensor 5 can direct a laser pulse in a target direction using a rotating mirror. Thereby, the angle to detect can be changed and the range of the monitoring area can be changed freely. Further, the projected laser pulse hits an object and is reflected to enter the light receiving portion of the area sensor 5. The distance to the object can be measured by the time difference between the light projection and the light reception and the signal intensity. In the present embodiment, these area sensors 5 are referred to as a main machine area sensor 5a and a slave machine area sensor 5b.

  As shown in FIG. 1, the main-machine-side area sensor 5a and the slave-machine-side area sensor 5b are provided at a substantially central portion from the entrance position 11 to the exit position 12 of the entrance / exit management gates 2a, 2b. Thereby, the width | variety of the direction 16 of the entrance / exit management gates 2a and 2b can be shortened. That is, in the conventional entrance / exit device 20 shown in FIGS. 5 and 6, the monitoring accuracy cannot be ensured unless a plurality of infrared sensors 15 are juxtaposed. For this reason, the width of the entrance / exit management gates 2a, 2b in the direction of the passage 16 has to be increased. In the entrance / exit device 1 of the present invention, by utilizing the function of the area sensor 5, the width of the entrance / exit management gates 2a, 2b in the direction of the passage 16 can be shortened with high monitoring accuracy.

  Further, the area sensors 5a and 5b can measure the angular position and the distance with respect to the position of the object as described above. Utilizing this function, a plurality of detection areas 6 are set in the gate passage 16. Thereby, it can detect by changing an angle and can detect the position of an object accurately.

(Detection area setting)
A plurality of detection areas 6a and 6b are set in the passage 16 between the entrance / exit management gates 2a and 2b. In this embodiment, this is distinguished as the entrance side detection area 6a and the exit side detection area 6b. And as shown in FIG. 3, the entrance side detection area 6a is provided with the divided entrance side detection areas 6a ₁ , 6a ₂ , 6a ₃ . Although not shown, exit side detection areas 6b ₁ , 6b ₂ , 6b ₃ (not shown) that are also divided into the exit side detection area 6b are provided. In the present embodiment, each of the detection areas 6 is divided into three, but the number of divisions is not limited to this and may be set. Thus, by dividing the detection area 6 finely, the position of the passerby 8 can be specified as, for example, “in the detection area 6b ₁ ” and the security level can be determined.

  As shown in FIG. 1, the area sensors 5a and 5b normally set the detection areas 6 in opposite directions. That is, in a state where an abnormal situation as described later has not occurred, the area sensors 5a and 5b monitor the entrance side and the exit side in a shared manner. In the present embodiment, the main machine side area sensor 5a monitors the entrance side detection area 6a, and the slave side area sensor 5b monitors the exit side detection area 6b. However, the present invention is not limited to this. When an abnormal situation occurs, the main machine area sensor 5a and the slave machine area sensor 5b may monitor either one of the detection areas 6.

(Function of control unit)
The entrance / exit device 1 includes a control unit 9 that controls the area sensors 5 of the entrance / exit management gates 2a, 2b. The control unit 9 opens or closes the open / close door 14 to allow or allow the passerby 8 to pass. The control unit 9, the position and the entering direction of the passerby 8 which is at least detected, with respect to the area sensor 5, entrance-side detection area _6a 1 for _monitoring, 6a 2, 6a ₃ or exit side detection area _6b 1, 6b ₂ and 6b ₃ (not shown) are respectively switched to instruct to track the passerby 8 and the like. Furthermore, in the case of an abnormal situation to be described later, the control unit 9 instructs the main machine side area sensor 5a and the slave side area sensor 5b to monitor any one of the detection areas 6.

  FIG. 3 shows an embodiment relating to the operation of the area sensors 5a and 5b in the entrance / exit device 1. In the present embodiment, a passerby 8 a entering from the entrance 3 and a passerby 8 b entering from the exit 4 are both present in the entrance detection area 6. The passerby 8b may be the passerby 8b who has entered from the entrance 3 but turned back. The area sensor 5a is tracking the passerby 8a entering from the entrance 3, and the area sensor 5b is tracking the passerby 8b entering from the exit 4, but the passer 8b opens and closes the door. 14 is in a state where the task of tracking has been completed.

  In this state, the passerby 8b enters between the area sensor 5a and the monitored passerby 8a, and the laser pulse projected from the area sensor 5a is blocked. When the passerby 8b blocks the field of view of the one area sensor 5a in this way, the control unit 9 can check the traveling direction of the passerby 8b and can monitor the passerby 8a with the other area sensor 5b. As described above, the detection area 6a is set for the area sensor 5b. Thus, the control unit 9 performs highly accurate detection by using the two area sensors 5a and 5b flexibly.

  FIG. 4 shows one embodiment relating to the operation of the area sensor 5 when the accompanying person 13 is detected. In the present embodiment, a passerby 8 a entering from the entrance 3 and a companion 13 entering the entrance 3 together with the passer 8 a exist in the entrance detection area 6 together. The area sensor 5a recognizes the presence of the accompanying person 13 when the accompanying person 13 enters from the entrance 3.

  In this state, the passerby 8a enters between the area sensor 5a and the accompanying companion 13, and the laser pulse projected from the area sensor 5a is cut off. When the companion person 13 occurs in this way, the control unit 9 sets the detection area 6a for the area sensor 5b so that the companion person 13 can monitor the other area sensor 5b. In this way, the control unit 9 performs highly reliable monitoring by flexibly utilizing the two area sensors 5a and 5b.

  Furthermore, the control unit 9 adjusts the resolution of the area sensor 5 according to the situation of the passerby 8. Thereby, the detection accuracy can be improved by adjusting the resolution of the area sensor 5 when detecting the passerby 8 or the companion 13.

  The configuration, shape, size, and arrangement relationship described in the above embodiments are merely schematically shown to the extent that the present invention can be understood and implemented. Therefore, the present invention is not limited to the described embodiments, and can be variously modified without departing from the scope of the technical idea shown in the claims.

1,20 Entrance / exit equipment, 2 Entrance / exit management gate, 2a Entrance / exit management gate (master), 2b Entrance / exit management gate (slave), 3 Entrance, 4 Exit, 5 Area sensor, 5a Master side area sensor, 5b Slave side area sensor, 6 detection area, 6a, 6a ₁ , 6a ₂ , 6a ₃ entrance side detection area, 6b exit side detection area, 8, 8a, 8b passerby, 9 control unit, 11 entrance position, 12 exit Position, 13 Companion, 14 Opening / closing door, 15 Infrared sensor, 15a Entrance side infrared sensor, 15b Exit side infrared sensor, 16 passage.

Claims (6)

  An entrance / exit device that manages the passage of passers-by with a pair of gates sandwiching the passage, wherein the gate is provided with an area sensor that can set a plurality of detection areas so that the passers-by can follow the passers-by An entrance / exit device that can be detected.   The entrance / exit device according to claim 1, wherein the area sensor is installed at the center of the entrance position and the exit position of the pair of gates, and the detection areas are set in opposite directions at normal times. Entrance / exit equipment characterized by.   The entrance / exit device according to claim 2, further comprising a control unit that controls the area sensor of the gate, wherein the control unit monitors a detection area to be monitored based on at least a detected position and an approach direction of a passerby. An entrance / exit device characterized by switching.   4. The entrance / exit device according to claim 3, wherein when the passer-by closes the field of view of one area sensor, the control unit confirms the traveling direction of the passer-by, and the other area sensor. The entrance / exit device is characterized in that the detection area is set so that the passer-by can monitor.   4. The entrance / exit device according to claim 3, wherein when the area sensor detects a passerby, the control unit allows the other area sensor to monitor the passerby's entrance. An entrance / exit device, wherein the detection area is set for an area sensor.   The entrance / exit device according to any one of claims 1 to 5, wherein the control unit adjusts the resolution of the area sensor in accordance with a situation of the passerby.

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