JP6452589B2 - Foreign object detection device on passenger conveyor deck board - Google Patents

Description

  The present invention relates to a foreign object detection device on a passenger conveyor deck board for detecting foreign objects on the deck board of a passenger conveyor.

  Conventionally, when a foreign matter detecting means for detecting foreign matter descending the upper surface of the deck board on the outer deck side detects the foreign matter, the box-shaped box portion passes through the opening formed in the deck board, and the box-shaped box portion is the upper surface of the deck board. A passenger conveyor that protrudes further upward and accommodates foreign matter in a box is known (for example, see Patent Document 1).

JP 2010-168187 A

However, the prior art has the following problems.
That is, in the passenger conveyor described in Patent Document 1, foreign matter that descends on the upper surface of the deck board can be accommodated in the box portion, but foreign matter present on the horizontal portion of the deck board or non-slipable foreign matter cannot be accommodated.

  Here, even if these foreign objects are sandwiched between the handrail and the deck board on the deck board of the passenger conveyor, there is no switch etc. that detects the foreign object and stops the passenger conveyor, The passenger conveyor continues to move.

  Therefore, there is a problem that the foreign hand may be caught on the moving handrail and the moving handrail may come off. In addition, when these foreign objects remain on the deck board, there is a problem that a user's finger or the like may be caught between the foreign objects and the moving handrail.

  This invention is made in order to solve the above subjects, and it aims at obtaining the foreign material detection apparatus on the passenger conveyor deck board which can detect the foreign material on the deck board of a passenger conveyor. To do.

A foreign object detection device on a passenger conveyor deck board according to the present invention includes a moving handrail that circulates between entrances and a deck board that is disposed along the moving handrail on the outer deck side of the moving handrail. Is configured by a plurality of light emitting units and light receiving units provided on the guard rail and the deck board that support the moving handrail, respectively, and by receiving the light emitted from the light emitting unit at the light receiving unit, A photoelectric sensor for detecting foreign matter on the deck board is provided.

According to the foreign matter detecting device on the passenger conveyor deck board according to the present invention, on the deck board arranged along the moving handrail on the outer deck side of the moving handrail circulating and moving between the entrances and exits, the moving handrail and the deck board Between the two, a photoelectric sensor for detecting foreign matter on the deck board is provided.
Therefore, it is possible to detect foreign matter on the deck board of the passenger conveyor.

It is a perspective view which shows the escalator to which the foreign material detection apparatus on the passenger conveyor deck board which concerns on Embodiment 1 of this invention was applied. It is sectional drawing which expands and shows the moving handrail and deck board of the 1st escalator shown in FIG. It is another sectional view which expands and shows the moving handrail and deck board of the 1st escalator shown in FIG. FIG. 3 is an explanatory diagram showing a state (pattern A) in which foreign matter remains on the deck board in the cross-sectional view shown in FIG. 2. FIG. 3 is an explanatory diagram showing a state (pattern B) in which foreign matter remains on the deck board in the cross-sectional view shown in FIG. 2. FIG. 3 is an explanatory diagram showing a state (pattern C) in which foreign matter remains on the deck board in the cross-sectional view shown in FIG. 2. It is a block block diagram which shows the foreign material detection apparatus on the passenger conveyor deck board which concerns on Embodiment 1 of this invention with a peripheral device. It is a flowchart which shows operation | movement of the foreign material detection apparatus on the passenger conveyor deck board which concerns on Embodiment 1 of this invention.

  Hereinafter, a preferred embodiment of a foreign object detection device on a passenger conveyor deck board according to the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts will be described with the same reference numerals. . In the following embodiment, an escalator will be described as an example of the passenger conveyor. However, the present invention is not limited to this, and the passenger conveyor may be a moving sidewalk.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing an escalator to which a foreign object detection device on a passenger conveyor deck board according to Embodiment 1 of the present invention is applied. In FIG. 1, in this escalator, a first escalator 1 and a second escalator 2 adjacent to each other are connected by a panel 3.

  The first escalator 1 includes a plurality of steps 11 that circulate between the entrances and exits, a pair of moving handrails 12 that are provided on the outer side in the width direction of the steps 11 and that circulate between the entrances and exits and move between the steps 11 and 11 A deck board 13 disposed along the moving handrail 12 is provided on the outer deck side of the handrail 12.

  The second escalator 2 includes a plurality of steps 21 that circulate between the entrances and exits, and a pair of moving handrails 22 that are provided on the outer side in the width direction of the steps 21 and circulate between the entrances and exits. A deck board 23 arranged along the moving handrail 22 is provided on the outer deck side of the moving handrail 22.

  Here, the moving direction of the step 21 and the moving handrail 22 may be the same as the moving direction of the step 11 and the moving handrail 12, or the opposite direction to the moving direction of the step 11 and the moving handrail 12. Also good. Here, it is assumed that the first escalator 1 is operating in the upward direction.

  On the deck board 13, a plurality of photoelectric sensors 31 for detecting foreign matter on the deck board 13 are provided at regular intervals between the moving handrail 12 and the deck board 13. Note that the photoelectric sensor 31 is provided only on the horizontal portion of the deck board 13 where there is a high possibility that a foreign object stays, and on the curved portion connecting the horizontal portion and the inclined portion. Further, the photoelectric sensor 31 may be provided over the entire length of the deck board 13 in accordance with an area where foreign matter is desired to be detected.

  FIG. 2 is an enlarged cross-sectional view of the moving handrail and deck board of the first escalator shown in FIG. In FIG. 2, the moving handrail 12 is supported on the deck board 13 via the guard rail 14. The deck board 13 is attached to an inner plate 15 and an outer plate 16 that extend along the moving handrail 12.

  The photoelectric sensor 31 includes four light emitting units 31Aa, 31Ba, 31Ca, and 31Da provided on the guard rail 14 in order from the bottom, and four light receiving units 31Ab and 31Bb provided on the deck board 13 in order from the moving handrail 12 side. , 31Cb, 31Db. Note that the number of light emitting units and light receiving units is not limited to four, and is determined according to the width for detecting foreign matter on the deck board 13. Further, the light emitting unit and the light receiving unit may be arranged in reverse.

  The light emitting units 31Aa, 31Ba, 31Ca, 31Da emit light toward the light receiving units 31Ab, 31Bb, 31Cb, 31Db, respectively, and the light receiving units 31Ab, 31Bb, 31Cb, 31Db receive the irradiated light. Here, when the light is blocked by the foreign matter and the light receiving units 31Ab, 31Bb, 31Cb, and 31Db cannot receive the light, the foreign matter is detected.

  FIG. 3 is another cross-sectional view showing the moving handrail and deck board of the first escalator shown in FIG. 1 in an enlarged manner. In FIG. 3, the guard rail 14 is provided with a camera 32 that captures an image of a horizontal portion and a curved portion of the deck board 13. The camera 32 is provided at a position on the guard rail 14 where the photoelectric sensor 31 is not hindered. Further, the number of cameras 32 is not limited to one, and a plurality of cameras 32 may be provided.

  That is, when the photoelectric sensor 31 is provided only in the horizontal portion and the curved portion of the deck board 13, the camera 32 is provided in the back (inclined portion side) of the photoelectric sensor 31 located at the end portion on the curved portion side. It is done. The camera 32 is provided between the photoelectric sensors 31 when the photoelectric sensor 31 is provided over the entire length of the deck board 13. The camera 32 may be provided on the deck board 13.

  Next, the state where the foreign object 100 remains on the deck board 13 will be described separately with reference to FIGS. 4-6 is explanatory drawing which shows the state in which the foreign material has stayed on the deck board in sectional drawing shown in FIG. 2, respectively.

  First, in FIG. 4, the foreign object 100 remains between the moving handrail 12 and the deck board 13. Here, the foreign object 100 blocks all the light emitted from the light emitting units 31Aa, 31Ba, 31Ca, and 31Da and has a height close to the moving handrail 12, so that the user's finger or the like can move the foreign object 100 and the moving handrail. 12 can be determined to be in a state of high possibility of being sandwiched between the two. This state is referred to as a pattern A.

  In FIG. 5, the foreign object 100 remains between the moving handrail 12 and the deck board 13. Here, the foreign object 100 blocks light emitted from the light emitting units 31 </ b> Aa and 31 </ b> Ba, is not close to the moving handrail 12, and the user's finger or the like is between the foreign object 100 and the moving handrail 12. It can be determined that there is a low possibility of being caught between the two. This state is referred to as a pattern B.

  In FIG. 6, the foreign object 100 remains between the moving handrail 12 and the deck board 13. Here, the foreign object 100 blocks light emitted from the light emitting units 31Ca and 31Da, is far from the moving handrail 12, and a user's finger or the like may be sandwiched between the foreign object 100 and the moving handrail 12. It can be determined that the condition is low. This state is referred to as a pattern C.

  In the above description, the state where the foreign object 100 remains on the deck board 13 has been described as being divided into three patterns. However, the present invention is not limited to this, and finer pattern division may be performed. Further, the relationship between the number or position of the light emitting units 31Aa, 31Ba, 31Ca, and 31Da from which the irradiated light is blocked and the pattern is not limited to the above, and can be arbitrarily set.

  FIG. 7 is a block diagram showing a foreign object detection device (hereinafter also simply referred to as “foreign material detection device”) on the passenger conveyor deck board according to the first embodiment of the present invention, together with peripheral devices. In FIG. 7, the foreign object detection device 30 includes a photoelectric sensor 31, a camera 32, a control unit 33, and a notification unit 34. Here, the alerting | reporting part 34 is provided in the ceiling part of the building etc. in which the escalator was installed. Moreover, as the alerting | reporting part 34, a speaker, a lamp | ramp, a display etc. can be used, for example.

  The control unit 33 is constituted by a microprocessor having a CPU (Central Processing Unit) and a storage unit storing a program. The control unit 33 is connected to a drive control device 40 that controls driving of the escalator and a remote monitoring device 50 that remotely monitors the escalator. In the case of a station escalator, the remote monitoring device 50 is installed, for example, in a station office.

  As described above, the photoelectric sensor 31 detects the foreign matter 100 on the deck board 13. As described above, the camera 32 images the horizontal portion and the curved portion of the deck board 13. When the state (patterns A to C) in which the foreign matter 100 on the deck board 13 is detected by the photoelectric sensor 31 is continued for a predetermined set time, the control unit 33 performs processing corresponding to the pattern. Do.

  That is, the control unit 33 outputs a command for stopping the driving of the first escalator 1 to the drive control device 40 according to the pattern. Further, the control unit 33 notifies the remote monitoring device 50 according to the pattern. Further, the control unit 33 outputs an imaging command to the camera 32 according to the pattern. Moreover, the control part 33 outputs an operation command to the alerting | reporting part 34 according to a pattern, and alert | reports to the user of an escalator.

  The operation of the foreign object detection device on the passenger conveyor deck board according to the first embodiment of the present invention will be described below with reference to the flowchart of FIG. Note that the process of FIG. 8 is repeatedly executed at a predetermined cycle.

  First, the control unit 33 determines whether or not the state in which the foreign matter 100 on the deck board 13 is detected by the photoelectric sensor 31 has continued for a predetermined set time (step S1). Here, the reason why it is determined whether or not the operation has continued for the set time is that the user's hand may block the light emitted from the light emitting units 31Aa, 31Ba, 31Ca, and 31Da.

  In step S1, the foreign matter 100 on the deck board 13 is not detected by the photoelectric sensor 31 or the state in which the foreign matter 100 on the deck board 13 is detected continues for a predetermined set time. If it is determined that there is no (that is, No), the processing of FIG.

  On the other hand, when it is determined in step S1 that the state in which the foreign object 100 on the deck board 13 is detected has continued for a predetermined set time (that is, Yes), the control unit 33 The pattern detected by the sensor 31 is determined (step S2).

  In step S2, if the photoelectric sensor 31 determines that the pattern is A, the control unit 33 executes a process corresponding to the pattern A (step S3) and ends the process of FIG. Specifically, the control unit 33 outputs a command for stopping the driving of the first escalator 1 to the drive control device 40. Further, the control unit 33 notifies the remote monitoring device 50 that the driving of the first escalator 1 has been stopped by detecting the foreign object 100 corresponding to the pattern A.

  Further, the control unit 33 outputs an operation command to the notification unit 34 and detects the foreign object 100 between the moving handrail 12 and the deck board 13 for the user of the escalator, so that the driving of the first escalator 1 is stopped. Notify that Further, the control unit 33 outputs an imaging command to the camera 32 and images the horizontal portion and the curved portion of the deck board 13.

  In step S2, if the photoelectric sensor 31 determines that the pattern is B, the control unit 33 executes a process corresponding to the pattern B (step S4) and ends the process of FIG. Specifically, the control unit 33 notifies the remote monitoring device 50 that the foreign object 100 corresponding to the pattern B has been detected.

  In addition, the control unit 33 outputs an operation command to the notification unit 34 and detects the foreign object 100 between the moving handrail 12 and the deck board 13 for the user of the escalator, so use the escalator with care. Inform you. Further, the control unit 33 outputs an imaging command to the camera 32 and images the horizontal portion and the curved portion of the deck board 13. Here, as the notification by the notification unit 34, an announcement such as “Because a foreign object is detected in the vicinity of the handrail, be careful of the position of the hand” can be considered.

  In step S2, if the photoelectric sensor 31 determines that the pattern is C, the control unit 33 executes a process corresponding to the pattern C (step S5) and ends the process of FIG. Specifically, the control unit 33 notifies the remote monitoring device 50 that the foreign object 100 corresponding to the pattern C has been detected.

As described above, according to the first embodiment, on the deck board arranged along the moving handrail on the outer deck side of the moving handrail that circulates between the entrances and exits, there is a gap between the moving handrail and the deck board. A photoelectric sensor for detecting foreign matter on the deck board is provided.
Therefore, it is possible to detect foreign matter on the deck board of the passenger conveyor.
Further, by detecting the foreign matter remaining on the deck board, there is no possibility that the user's finger or the like is caught between the foreign matter and the moving handrail.
Furthermore, since the notification to the remote monitoring device 50 is performed according to the pattern detected by the photoelectric sensor, the station staff can remove foreign matters at the station, for example, and the beautification of the deck board can be realized.

  In the first embodiment, the case where the photoelectric sensor includes the light emitting unit and the light receiving unit has been described. However, the present invention is not limited to this, and the photoelectric sensor may be an illuminance sensor that is provided on the deck board 13 and detects the intensity of incident light. Here, the illuminance sensor detects a foreign object based on, for example, the difference between the illuminance when there is no foreign object and the illuminance when blocked by the foreign object. In addition, a plurality of illuminance sensors are provided in the width direction of the deck board 13 as in the light receiving unit.

  At this time, the control unit 33 determines a state (pattern) where the foreign matter remains on the deck board 13 based on the number of illuminance sensors blocked by the foreign matter, and performs processing according to the pattern.

  Specifically, when the illuminance sensor on the guard rail 14 side is blocked by foreign matter, the control unit 33 performs processing according to the pattern A described above, and the illuminance sensor on the side opposite to the guard rail 14 side is The processing according to the above-described pattern C may be executed when it is blocked by. As a result, foreign matter on the deck board of the passenger conveyor can be detected, and there is no possibility that the user's finger or the like is pinched between the foreign matter and the moving handrail.

  DESCRIPTION OF SYMBOLS 1 1st escalator, 2nd escalator, 3 panel, 11 steps, 12 moving handrail, 13 deck board, 14 guard rail, 15 inner board, 16 outer version, 21 steps, 22 moving handrail, 23 deck board, 30 foreign material detection apparatus , 31 photoelectric sensor, 32 camera, 33 control unit, 34 notification unit, 40 drive control device, 50 remote monitoring device, 100 foreign matter.

Claims (5)

A foreign object detection device on a passenger conveyor deck board applied to a passenger conveyor, comprising: a moving handrail that circulates between the entrances and exits; and a deck board disposed along the moving handrail on the outer deck side of the moving handrail. Because
Is constituted by a respective plurality of light emitting portion and a light receiving unit provided in the guard rail and the deck board for supporting the front Symbol moving handrail, by receiving the light emitted from the light emitting unit by the light receiving portion, on said deck board with a photoelectric sensor for detecting a foreign matter
Foreign object detection device on the passengers conveyor deck board. A foreign object detection device on a passenger conveyor deck board applied to a passenger conveyor, comprising: a moving handrail that circulates between the entrances and exits; and a deck board disposed along the moving handrail on the outer deck side of the moving handrail. Because
Said a plurality illuminance sensor provided in the width direction of the deck board, the illuminance in the absence foreign matter on the deck board, based on the difference between the illuminance when blocked by foreign matter on the deck board And a photoelectric sensor for detecting foreign matter on the deck board
Foreign object detection device on the passengers conveyor deck board. And a controller that outputs a command corresponding to the detected foreign object pattern to a drive control device that controls the driving of the passenger conveyor when the foreign object is detected by the photoelectric sensor. The foreign object detection device on the passenger conveyor deck board according to claim 1 or 2 . When the foreign matter is detected by the photoelectric sensor, the control unit detects the foreign matter with respect to a remote monitoring device that remotely monitors the passenger conveyor according to the detected foreign matter pattern. The foreign object detection device on the passenger conveyor deck board according to claim 3 . For a user of the passenger conveyor, further comprising a notification unit for notifying the state of the passenger conveyor,
The passenger according to claim 3 or claim 4 , wherein when the foreign matter is detected by the photoelectric sensor, the control unit outputs an operation command to the notification unit according to the detected foreign matter pattern. Foreign matter detection device on conveyor deck board.

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