JP2012017168A - Monitoring apparatus for passenger conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a monitoring apparatus for a passenger conveyor capable of fully recognizing a state and a situation of the conveyor when a passenger goes on and off a footstep of the passenger conveyor.SOLUTION: The passenger conveyor 20 includes: a driving device 6 for driving a plurality of footsteps 3 and a moving handrail 5; a safety device for stopping each footstep 3 and the moving handrail 5 during running, when the safety switch is switched on; and a control device 8 which transmits a driving start signal to the driving device 6 and controls operation of the footsteps 3 and the handrail 5. The monitoring apparatus is provided in the passenger conveyer 20, and includes a camera device 10 which is arranged in a building ceiling 9 positioned over the passenger conveyor 20, and which monitors a state of the passenger conveyor 20. The camera device 10 includes a camera for taking an image of the state of the passenger conveyor 20; a recording device 12 which continuously records images taken by the camera; and an image taking start means for starting image taking by the camera, when the driving start signal is transmitted from the control device 8.

Description

  The present invention relates to a passenger conveyor monitoring device provided with a camera device for monitoring the situation of a passenger conveyor.

  In general, a passenger conveyor is connected endlessly, a plurality of steps circulating between an upper floor entrance and a lower floor entrance, a moving handrail that runs in synchronization with these steps, and a movement with each step A driving device that drives the handrail, and a control device that transmits an operation start signal to the driving device to control the operation of the steps and the moving handrail. In addition, at the upper floor entrance / exit, the lower floor entrance / exit has various safety devices that detect when a passenger's shoes, luggage, etc. are caught in a gap between adjacent steps when the passenger gets on and off the step. Is provided. The passenger conveyor is equipped with a camera device that is useful for grasping the cause of the operation when these safety devices are operated. This camera device is mainly located at the building ceiling located above the passenger conveyor or at a narrow angle between the bottom of the adjacent passenger conveyor and the moving handrail, and monitors the situation of the passenger conveyor. ing.

  As one of the prior arts of a passenger conveyor monitoring device equipped with such a camera device, an image imaging means for imaging a still image with the passenger conveyor as a subject, and an imaging control means for controlling the operation of the image imaging means, There is known a passenger conveyor monitoring system in which the imaging control means transmits a shutter-on signal to the image imaging means at a timing when a safety device provided on the passenger conveyor operates (see, for example, Patent Document 1). .

JP 2004-18167 A

  In the above-described passenger conveyor monitoring system disclosed in Patent Document 1, a shutter-on signal is transmitted to the image capturing unit at the timing when the safety device provided on the passenger conveyor is operated by the imaging control unit. The image capturing means captures a still image with the passenger conveyor as a subject. For example, when a passenger's shoes, luggage, etc. are sandwiched between adjacent steps when the passenger gets on and off the step, the safety device provided at the entrance and exit stops and the operation of the passenger conveyor stops. The situation of the passenger conveyor at the moment when the safety device is operated is imaged by the image pickup means. The captured still image shows the situation in which passenger shoes and luggage are sandwiched, but how can the passenger shoes and luggage be sandwiched only by the still image at the moment when the safety device operates? It is not always easy to grasp the cause and the situation of the operation of the safety device because it is not possible to fully know the situation until the situation is reached. In addition, when the safety device does not operate, the situation of the passenger conveyor is not imaged by the image capturing means, so when the passenger uses the passenger conveyor, some abnormality, for example, when the passenger gets on or off the step, There is concern that the situation cannot be fully grasped even if it is spoken in the mouth.

  The present invention has been made based on the actual situation of the prior art, and its purpose is to provide a passenger conveyor monitoring device that can sufficiently grasp the situation and state when passengers get on and off the passenger conveyor steps. There is to do.

  A plurality of steps connected endlessly and circulating between the upper floor entrance and the lower floor entrance, a moving handrail that runs in synchronization with these steps, and a drive that drives each of the steps and the moving handrail An apparatus, a safety device that stops each step and the moving handrail when the safety switch is operated, and a control that transmits an operation start signal to the driving device to control the operation of the step and the moving handrail The passenger is provided with a device, and is disposed on a building ceiling located above the passenger conveyor, or at a narrow-angle portion between the bottom of the passenger conveyor adjacent to and intersecting the moving handrail, and the passenger In a passenger conveyor monitoring device provided with a camera device for monitoring the condition of the conveyor, the camera device captures the situation of the passenger conveyor as an image, and the camera imaged by the camera A recording apparatus capable continuous recording of the image is characterized by having an imaging start means for starting the shooting of the camera when the operation start signal is sent by the control device.

  In the present invention configured as described above, when the operation start signal of the passenger conveyor is transmitted to the drive device by the control device, the drive device drives each step and the moving handrail so that the upper floor entrance / exit and the lower floor entrance / exit Drive between. At this time, the camera continuously shoots the situation of the passenger conveyor by the imaging start means of the control device, and continues to shoot the situation of the passenger conveyor thereafter. Therefore, for example, when passengers get on and off the steps, when the passenger's shoes and luggage are sandwiched between adjacent steps and the safety device is activated, the situation of the passenger conveyor has already been photographed by the camera, and the images are continuous. Since it is recorded on the recording device, it is possible to easily know a series of operations and situations in which the passenger gets on and off the step including the situation before and after the safety device operates from the recorded image. Further, the present invention allows the photographing start means to start photographing of the camera when the operation start signal is transmitted by the control means, so that the situation of the passenger conveyor is photographed by the camera even when the safety device is not operating. Since the recorded images are continuously recorded in the recording device, it was recorded even if the passenger used the passenger conveyor to do something abnormal, for example, when the passenger got on and off the step, The situation can be fully understood from the image. Thus, this invention can fully grasp | ascertain the condition and mode at the time of a passenger getting on and off the step of a passenger conveyor.

  Further, the passenger conveyor monitoring device according to the present invention is the above-described invention, wherein the passenger conveyor is connected to the control device, and includes an operation changeover switch that switches between an ascending operation and a descending operation, and the camera device includes When the operation switch is switched from ascending operation to descending operation, the camera is controlled to face the upper floor entrance and exit, and when the operation switch is switched from descending operation to ascending operation, the camera Has a direction control means for controlling to face the lower floor entrance / exit.

  In the present invention configured as described above, since the camera operates in conjunction with the operation switching switch for switching the driving direction of the passenger conveyor step by the direction control means, the driving direction of the passenger conveyor step is switched by the operation switching switch. However, it is possible to automatically cope with the driving direction of the steps of the passenger conveyor without providing a plurality of cameras. In this way, it is possible to fully know the situation and state when passengers get on and off the steps at the upper and lower entrances and exits with one camera.

  In the passenger conveyor monitoring device according to the present invention, in the invention, the camera device controls the camera by a holding means for holding the camera in a state inclined at a predetermined angle from a horizontal direction, and the direction control means. It is characterized by having a rotating means for rotating in the specified direction. According to this configuration, the camera is held on the building ceiling or the narrow angle portion in a state where the camera is inclined by a predetermined angle from the horizontal direction in advance in accordance with the inclination of the passenger conveyor on which the camera is provided. By rotating the camera in the direction controlled by the control means, the camera can easily grasp the object located at the upper floor entrance or lower floor entrance corresponding to the driving direction of the passenger conveyor steps and the moving handrail Can do.

  In the passenger conveyor monitoring device according to the present invention, in the invention described above, the rotating means includes a motor that rotates the camera around an axis, and the holding means has an upper end that is the ceiling of the building or the narrow space. In addition to being fixed to the corner, the motor is attached to the lower end, and the lower end comprises a camera holding base formed at a predetermined angle from the horizontal direction. With this configuration, the lower end of the camera holding base is inclined at a predetermined angle from the horizontal direction. Therefore, the camera can be easily inclined at a predetermined angle simply by attaching the camera to the lower end of the camera holding base via a motor. Can be held. In this state, the motor rotates the camera around the axis, so that the camera can be reliably directed in the direction controlled by the direction control means.

  The passenger conveyor monitoring device of the present invention is connected endlessly, a plurality of steps circulating between an upper floor entrance and a lower floor entrance, a moving handrail that runs in synchronization with these steps, A driving device that drives the steps and the moving handrail, a safety device that stops each traveling step and the moving handrail when the safety switch operates, and an operation start signal transmitted to the driving device to operate the steps and the moving handrail. A passenger conveyor provided with a control device for controlling, and disposed on a building ceiling located above the passenger conveyor, or at a narrow angle portion between the bottom of the adjacent passenger conveyor and the moving handrail. It has a camera device that monitors the situation. In the present invention, an operation start signal is transmitted by the camera device in which the camera device captures the situation of the passenger conveyor as an image, a recording device capable of continuously recording images captured by the camera, and a control device. If the safety device operates, for example, when the passenger gets on or off the step, the passenger's shoes or luggage are sandwiched between the adjacent steps. Since the camera starts to shoot the passenger conveyor situation from the start of the passenger conveyor operation by the shooting start means, and the shot images are continuously recorded in the recording device, before and after the safety device operates from the recorded images It is possible to easily know a series of actions and situations in which passengers get on and off the steps including the situation described above. The present invention also captures the situation of the passenger conveyor with the camera from the start of operation of the passenger conveyor by the imaging start means even when the safety device is not operating, and continuously records the captured images in the recording device. Therefore, even if the passenger uses the passenger conveyor, for example, even when the passenger gets on and off the step, the situation can be sufficiently grasped from the recorded image. Thus, this invention can fully grasp the situation and state when passengers get on and off the steps of the passenger conveyor, and can respond more quickly to abnormalities that occur when using the passenger conveyor than before. .

It is a figure which shows the structure of the passenger conveyor to which the monitoring apparatus which concerns on this invention is applied. It is a figure which shows the structure of one Embodiment of the monitoring apparatus of the passenger conveyor which concerns on this invention. It is a figure explaining operation | movement of this embodiment shown in FIG. 2, and is a figure when the step is performing the ascending operation. It is a figure explaining operation | movement of this embodiment shown in FIG. 2, and is a figure when the step is performing the descent | fall operation. It is a figure explaining operation | movement of the camera apparatus with which this embodiment shown in FIG. 2 is equipped, and a step when the step is performing the ascending driving | operation. It is a figure explaining operation | movement of the camera apparatus with which this embodiment shown in FIG. 2 is equipped, and when a step is performing the descent | fall operation | movement.

  EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing the monitoring apparatus of the passenger conveyor which concerns on this invention is demonstrated based on figures.

  One embodiment of the monitoring device according to the present invention is provided in a passenger conveyor 20, for example, as shown in FIG. The passenger conveyor 20 is connected in an endless manner, and a plurality of steps 3 that circulate between the upper floor entrance 2 and the lower floor entrance 1, and a balustrade 4 erected on both sides of these steps 3, A moving handrail 5 is provided on the upper side of the balustrade 4 and travels in synchronization with the steps 3. The passenger conveyor 20 includes a driving device 6 that drives each step 3 and the moving handrail 5, and a safety device that stops each step 3 and the moving handrail 5 that are running when a safety switch is actuated (not shown). And a control device 8 that transmits an operation start signal to the drive device 6 to control the operation of the step 3 and the moving handrail 5. Further, the passenger conveyor 20 includes an operation changeover switch 7 that is connected to the control device 8 and switches between the ascending operation and the descending operation. In the passenger conveyor 20 according to the present embodiment, the operation switch 7 is provided at each of the upper floor entrance 2 and the lower floor entrance 1, and the safety device is not shown, but the upper floor entrance 2 And in the vicinity of the lower floor entrance 1.

  One embodiment of the monitoring device for the passenger conveyor 20 according to the present invention includes a camera device 10 that monitors the situation of the passenger conveyor 20 as shown in FIGS. 2 to 6, and the camera device 10 is, for example, the passenger conveyor 20. It is arrange | positioned at the building ceiling 9 located above. In the present embodiment, the camera device 10 starts operation by the camera 10a that captures the situation of the passenger conveyor 20 as an image, the recording device 12 that can continuously record the images captured by the camera 10a, and the control device 8. Photographing start means for starting photographing by the camera 10a when a signal is transmitted. Moreover, in this embodiment, the camera apparatus 10 has the control apparatus 11 which controls the operation | movement of the camera 10 while transmitting the image of the condition of the passenger conveyor 20 image | photographed with the camera 10a to the recording apparatus 12, and the above-mentioned. The imaging start means is included in the control device 11. As the recording device 12, various recording devices such as a hard disk recorder are used.

  The camera device 10 controls the camera 10a so as to face the upper floor entrance 2 when the operation switching switch 7 switches from ascending operation to descending operation, and the operation switching switch 7 switches from descending operation to ascending operation. The control device 11 has direction control means for controlling the camera 10a so that the camera 10a faces the lower floor entrance 1 when it is moved. Further, as shown in FIGS. 5 and 6, the camera apparatus 10 includes a holding unit that holds the camera 10a in a state inclined at a predetermined angle from the horizontal direction, and a rotation that rotates the camera 10a in a direction controlled by the direction control unit. Moving means.

  Specifically, the rotation means is composed of a motor 10b that rotates the camera 10a around the axis, and the holding means is fixed to the building ceiling 9 at the upper end, the motor 10b is attached to the lower end, and the lower end is horizontal. The camera holding base 10c is formed with a predetermined inclination from the direction, that is, a gradient of θ (0 ° <θ <90 °) from the vertical direction. The camera 10a is covered with a removable cover 10d. The cover 10d is made of a translucent film so that the situation of the passenger conveyor 20 can be photographed from the inside even when the camera 10a is covered with the cover 10d. In addition, the inclination angle θ of the lower end of the camera holding base 10c is set in advance according to the size of the passenger conveyor 20 or the like.

  Next, the operation of the camera device provided in the present embodiment will be described with reference to FIGS.

  FIG. 3 is a diagram for explaining the operation of the present embodiment shown in FIG. 2, and is a diagram when the step is performing the ascending operation. FIG. 4 is a diagram for explaining the operation of the present embodiment shown in FIG. FIG. 5 is a diagram when the step is performing a descending operation, FIG. 5 is a diagram for explaining the operation of the camera device provided in the present embodiment shown in FIG. 2, and is a diagram when the step is performing an ascending operation, FIG. These are figures explaining operation | movement of the camera apparatus with which this embodiment shown in FIG. 2 is equipped, and when a step is performing the descent | fall operation | movement.

  As shown in FIGS. 3 and 5, when the control device 8 of the passenger conveyor 20 provided with the present embodiment transmits an operation start signal for starting the ascending operation of the steps 3 and the movable handrail 5 to the drive device 6, the drive device 6 The step 3 and the moving handrail 5 are driven to perform the ascending operation as indicated by the arrow 13a. At this time, the control device 8 transmits a signal indicating that the ascending operation of the step 3 and the moving handrail 5 is started to the control device 11 of the camera device 10. When the control device 11 of the camera device 10 receives a signal that the ascending operation of the step 3 and the moving handrail 5 is started, the photographing start means provided in the control device 11 of the camera device 10 captures the image of the camera 10a. The camera 10a is controlled so as to start the operation, and the camera 10a captures the situation of the passenger conveyor 20 at the lower floor entrance 1. And the recording device 12 of the camera apparatus 10 records continuously the image of the condition of the passenger conveyor 20 image | photographed with the camera 10a.

  Here, when the camera 10a is not facing the direction of the lower floor entrance 1 as shown in FIG. 5 as shown in FIG. 5, and is facing the direction of the upper floor entrance 2 as shown in FIG. Before the photographing of the camera 10a is started, the direction control means of the control device 11 controls the motor 10b to rotate in the direction of the lower floor entrance 1. Thereby, as shown in FIGS. 6 to 5, since the motor 10b rotates 180 degrees around the axis, the camera 10a is directed from the upper floor entrance 2 to the lower floor entrance 1 with the camera 10a inclined from the horizontal direction. The lower floor entrance 1 of the passenger conveyor 20 comes into the photographing range 14a of the camera 10a.

  Next, as shown in FIGS. 4 and 6, when the operation switch 7 switches the step 3 and the moving handrail 5 of the passenger conveyor 20 from the ascending operation to the descending operation, the control device 8 of the passenger conveyor 20 causes the step 3 and the moving handrail to move. An operation start signal for starting the descent operation 5 is transmitted to the drive device 6. Then, when the driving device 6 receives an operation start signal for starting the descending operation, the driving device 6 drives the step 3 and the moving handrail 5 to perform the descending operation as indicated by the arrow 13b.

  At this time, the control device 8 of the passenger conveyor 20 transmits a signal to the effect that the descending operation of the step 3 and the moving handrail 5 is started to the control device 11 of the camera device 10. When the control device 11 of the camera device 10 receives a signal indicating that the step 3 and the moving handrail 5 are started to descend, the direction control means of the control device 11 lowers the motor 10b before the photographing of the camera 10a is started. Control is performed so as to rotate in the direction from the floor entrance 1 to the upper floor entrance 2. As a result, the motor 10b rotates 180 degrees around the axis as shown in FIGS. 5 to 6, so that the camera 10a is directed from the lower floor entrance 1 to the upper floor entrance 2 with the camera 10a tilted from the horizontal direction. The upper floor entrance 2 of the passenger conveyor 20 comes into the photographing range 14b of the camera 10. And the imaging | photography start means of the control apparatus 11 of the camera apparatus 10 controls so that the imaging | photography of the camera 10a may be started, and the camera 10a image | photographs the condition of the passenger conveyor 20 in the upper floor entrance / exit. Further, the recording device 12 of the camera device 10 continuously records images of the situation of the passenger conveyor 20 taken by the camera 10a.

  According to the present embodiment configured as described above, as illustrated in FIGS. 2 to 6, the camera device 10 continuously captures a camera 10 a that captures the situation of the passenger conveyor 20 as an image, and images captured by the camera 10 a. And a recording start means for starting the capturing of the camera 10a when the operation start signal is transmitted by the control device 8, for example, when the passenger gets on and off the step 3, When shoes, luggage, etc. are sandwiched between adjacent steps 3 and the safety device operates, the situation of the passenger conveyor 20 at the upper floor entrance 2 or the lower floor entrance 1 starts the operation of the steps 3 and the movable handrail 5 Since the camera 10a has been photographed from time to time and the photographed images are continuously recorded in the recording device 12, the passenger can step on the image including the situation before and after the safety device operates. A series of operations for elevating the 3 and the state can be easily known.

  In addition, according to the present invention, when the control device 11 of the camera device 10 receives the signal indicating that the operation transmitted from the control device 8 of the passenger conveyor 20 is started, the photographing start unit starts photographing of the camera 10a. Thus, even when the safety device is not operating, the situation of the passenger conveyor 20 is photographed by the camera 10a, and the photographed images are continuously recorded in the recording device 12, so that when the passenger uses the passenger conveyor 20 Even if there is some abnormality, for example, when a passenger gets on or off the step 3, the situation can be sufficiently grasped from the recorded image even if the passenger goes over at the upper floor entrance 2 or the lower floor entrance 1. Thus, this invention can fully grasp | ascertain the condition and mode at the time of a passenger getting on and off the step 3 of the passenger conveyor 20, and can respond rapidly to the abnormality which arises when using the passenger conveyor 20. FIG. .

  Further, in the present embodiment, the camera device 10 controls the camera 10a to face the upper floor entrance 2 when the operation switch 7 is switched from the ascending operation to the descending operation. It has direction control means for controlling the camera 10a so as to face the lower floor entrance 1 when it is switched from the descent operation to the ascending operation. By this direction control means, the camera 10a becomes the step 3 of the passenger conveyor 20. Therefore, even if the operation direction of the step 3 of the passenger conveyor 20 is switched by the operation switch 7, the steps of the passenger conveyor 20 are not provided without providing a plurality of cameras. 3 driving directions can be automatically handled. In this way, the situation and state when a passenger gets on and off the step 3 at the upper floor entrance 2 and the lower floor entrance 1 can be sufficiently known with one camera 10a, which is convenient.

  In the present embodiment, the camera 10a is inclined at a predetermined angle from the horizontal direction, that is, as shown in FIGS. 5 and 6, θ (0 ° <θ) set in advance in the camera holding base 10c from the vertical direction by the motor 10b. <90 °) is held and the motor 10b is rotated in the direction controlled by the direction control means so that the camera 10a faces the upper floor entrance 2 or the lower floor entrance 1. ing. Thereby, when the step 3 of the passenger conveyor 20 and the moving handrail 5 are in the ascending operation, the camera 10a faces the lower floor entrance 1 as shown in FIG. The floor entrance 1 can be easily accommodated in the photographing range 14a of the camera 10a. On the other hand, when the step 3 and the moving handrail 5 of the passenger conveyor 20 are in the descending operation, the camera 10a faces the upper floor entrance 2 as shown in FIG. 6, so the upper floor as shown in FIG. The entrance / exit 2 can be easily stored in the imaging range 14a of the camera 10a. Thus, the camera 10a can easily grasp the object located at the upper floor entrance 2 or the lower floor entrance 1 corresponding to the driving direction of the steps 3 of the passenger conveyor 20 and the moving handrail 5.

  In the present embodiment, the upper end of the camera holding base 10c is fixed to the building ceiling 9, and the lower end is inclined at a predetermined angle from the horizontal direction, that is, θ (0 ° <θ <90 ° set in advance from the vertical direction). ). The camera 10a is attached to the inclined surface at the lower end of the camera holding base 10c via the motor 10b, and the camera 10a rotates in parallel with the inclined surface at the lower end of the camera holding base 10c. The camera 10a can be reliably directed in the direction controlled by the direction control means simply by rotating the 10b. Thus, this invention can grasp | ascertain the condition of the passenger conveyor in the upper floor entrance / exit 2 and the lower floor entrance 1 without using multiple cameras 10a with the camera holding base 10c and the motor 10b, and suppresses cost. be able to.

  In addition, although this embodiment demonstrated the case where the camera apparatus 10 was arrange | positioned at the building ceiling 9 located above the passenger conveyor 20, not only in this case, the camera apparatus 10 cross | intersects and adjoins the passenger conveyor 20 It may be arranged at a narrow angle part between the bottom of the handrail and the moving handrail 5.

DESCRIPTION OF SYMBOLS 1 Lower floor entrance / exit 2 Upper floor entrance / exit 3 Step 4 Parapet 5 Moving handrail 6 Driving device 7 Operation switch 8, 11 Control device 9 Building ceiling 10 Camera device 10a Camera 10b Motor 10c Camera holding base 10d Camera cover 12 Recording device 20 Passenger conveyor

Claims (4)

A plurality of steps connected endlessly and circulating between the upper floor entrance and the lower floor entrance, a moving handrail that runs in synchronization with these steps, and a drive that drives each of the steps and the moving handrail An apparatus, a safety device that stops each step and the moving handrail when the safety switch is operated, and a control that transmits an operation start signal to the driving device to control the operation of the step and the moving handrail The passenger is provided with a device, and is disposed on a building ceiling located above the passenger conveyor, or at a narrow-angle portion between the bottom of the passenger conveyor adjacent to and intersecting the moving handrail, and the passenger In a passenger conveyor monitoring device equipped with a camera device that monitors the status of the conveyor,
When the operation start signal is transmitted by the camera device, the camera that captures the situation of the passenger conveyor as an image, a recording device that can continuously record the image captured by the camera, and the control device. A passenger conveyor monitoring device comprising: a shooting start means for starting shooting by the camera. In the passenger conveyor monitoring device according to claim 1,
The passenger conveyor is connected to the control device, and includes an operation changeover switch that switches between an ascending operation and a descending operation.
The camera device controls the camera to face the upper floor entrance when the operation switching switch switches from ascending operation to descending operation, and the operation switching switch switches from descending operation to ascending operation. A passenger conveyor monitoring device, comprising: direction control means for controlling the camera so as to face the lower floor entrance when it is moved. In the passenger conveyor monitoring device according to claim 2,
The camera device includes holding means for holding the camera in a state inclined at a predetermined angle from a horizontal direction, and rotating means for rotating the camera in a direction controlled by the direction control means. Passenger conveyor monitoring device. In the passenger conveyor monitoring device according to claim 3,
The rotating means comprises a motor that rotates the camera around an axis,
The holding means comprises a camera holding base whose upper end is fixed to the building ceiling or the narrow angle portion, the motor is attached to the lower end, and the lower end is inclined at a predetermined angle from the horizontal direction. A passenger conveyor monitoring device.

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