JP2015151245A - Safety device for passenger conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safety device for a passenger conveyor configured to make a user notice that the user is striding over two running boards of adjacent steps, without adding any new mechanism element to steps.SOLUTION: A safety device for a passenger conveyor comprises: sensors for detecting an object striding over two running boards of adjacent steps among horizontally moving steps when a plurality of endlessly connected steps move obliquely after having moved horizontally; and a warning device for giving a warning when the object striding over the two running boards of adjacent steps has been detected by the sensor.

Description

  The present invention relates to a safety device for passenger conveyors.

  For example, Patent Document 1 describes a passenger conveyor step. When the step passes under the boarding board provided at the boarding gate on the landing side, the movable body protrudes from the step. For this reason, when a user's foot straddles the tread board of an adjacent step, the movable body pushes up the user's foot. As a result, the user notices that his / her feet are placed across the treads of adjacent steps.

JP 2011-51734 A Japanese Patent No. 5251146 JP 2009-91090 A JP-A 61-169491 JP 2011-26120 A Japanese Patent Laid-Open No. 7-17679

  However, the device described in Patent Document 1 needs to add mechanical parts such as a movable body to the step. This increases the manufacturing cost of the step.

  The present invention has been made to solve the above-described problems. An object of the present invention is to provide a safety device for a passenger conveyor that allows a user to notice that it straddles a step board of an adjacent step without adding a new mechanism component to the step.

  A safety device for a passenger conveyor according to the present invention is provided on a stepping plate of an adjacent step among steps moving in a horizontal direction when a plurality of steps connected endlessly move in an oblique direction after moving in the horizontal direction. A sensor that detects an object straddling and a warning device that warns when an object straddling a stepping plate in an adjacent step is detected by the sensor.

  According to the present invention, the warning device warns when an object straddling the stepping plate of the adjacent step is detected by the sensor. For this reason, a user can be made aware that it straddles the step board of an adjacent step, without adding a new mechanism component to a step.

It is a side view of a passenger conveyor to which a passenger conveyor safety device according to Embodiment 1 of the present invention is applied. It is a figure for demonstrating the safety apparatus of the passenger conveyor in Embodiment 1 of this invention. It is a figure for demonstrating the safety apparatus of the passenger conveyor in Embodiment 2 of this invention. It is a figure for demonstrating the safety apparatus of the passenger conveyor in Embodiment 3 of this invention. It is a figure for demonstrating the safety apparatus of the passenger conveyor in Embodiment 4 of this invention. It is a figure for demonstrating the safety apparatus of the passenger conveyor in Embodiment 5 of this invention. It is a figure for demonstrating the detection method of the object by the safety apparatus of the passenger conveyor in Embodiment 5 of this invention. It is a figure for demonstrating the safety apparatus of the passenger conveyor in Embodiment 6 of this invention.

  A mode for carrying out the invention will be described with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected to the part which is the same or it corresponds in each figure. The overlapping explanation of the part is appropriately simplified or omitted.

Embodiment 1 FIG.
1 is a side view of a passenger conveyor to which a passenger conveyor safety device according to Embodiment 1 of the present invention is applied.

  In FIG. 1, the passenger conveyor 1 is an escalator. For example, the passenger conveyor 1 is provided so as to straddle one side of the adjacent floor. A lower entrance 2 is provided at the lower part of the passenger conveyor 1. The lower entrance / exit 2 is provided on the lower floor of the adjacent floor. At the upper part of the passenger conveyor 1, an upper entrance / exit 3 is provided. The upper entrance / exit 3 is provided on the upper floor of the adjacent floor.

  A lower machine room 4 is provided directly below the lower entrance 2. An upper machine room 5 is provided immediately below the upper entrance 3. The lower machine room 4 and the upper machine room 5 are provided with various devices not shown.

  A plurality of steps 6 are provided endlessly between the lower entrance / exit 2 and the upper entrance 3. Each of the plurality of steps 6 is made of metal or the like. Adjacent step 6 treads form a slight gap in the longitudinal direction of the passenger conveyor 1.

  A pair of skirt guards 7 are provided on both outer sides of step 6. One of the skirt guards 7 is provided along the longitudinal direction of the passenger conveyor 1. One of the skirt guards 7 forms a slight horizontal gap with one side of the step 6. The other side of the skirt guard 7 is provided along the longitudinal direction of the passenger conveyor 1. The other side of the skirt guard 7 forms a slight horizontal gap with the other side of the step 6.

  One balustrade panel 8 is provided on one upper surface of the skirt guard 7. One of the balustrade panels 8 is provided side by side in the longitudinal direction of the passenger conveyor 1. On the other upper surface of the skirt guard 7, the other balustrade panel 8 is provided. The other side of the balustrade panel 8 is provided side by side in the longitudinal direction of the passenger conveyor 1.

  At least one of the lower part and the upper part of the skirt guard 7 is provided with a speaker. For example, a speaker 9 a is provided at one lower portion of the skirt guard 7. The speaker 9 a is provided on one side surface of the skirt guard 7. For example, a speaker 9 b is provided on one upper part of the skirt guard 7. The speaker 9 b is provided on one side surface of the skirt guard 7.

  A sensor is provided on at least one of the lower part and the upper part of the skirt guard 7. For example, a sensor 10 a is provided at one lower portion of the skirt guard 7. The sensor 10 a is provided on one side surface of the skirt guard 7. The sensor 10a is adjacent to the speaker 9a. For example, a sensor 10 b is provided on one upper part of the skirt guard 7. The sensor 10 b is provided on the side surface of the skirt guard 7. The sensor 10b is adjacent to the speaker 9b.

  During the ascending operation of the passenger conveyor 1, the exposed step 6 moves in the horizontal direction from the lower entrance 2. Then, step 6 moves diagonally upward. At this time, a step is generated between the adjacent stepping plates of step 6.

  At this time, the sensor 10a detects an object straddling the stepping plate of the adjacent step 6 among the steps 6 that move in the horizontal direction. When the sensor 10a detects an object, the speaker 9a warns with a warning sound or announcement as a warning device.

  During the descending operation of the passenger conveyor 1, the exposed step 6 moves in the horizontal direction from the upper entrance / exit 3. Then, step 6 moves diagonally downward. At this time, a step is generated between the adjacent stepping plates of step 6.

  At this time, the sensor 10b detects an object straddling the stepping plate of the adjacent step 6 among the steps 6 that move in the horizontal direction. When the sensor 10b detects an object, the speaker 9b warns with a warning sound or announcement as a warning device.

Next, details of the safety device will be described with reference to FIG.
FIG. 2 is a diagram for explaining a passenger conveyor safety device according to Embodiment 1 of the present invention.

  As shown in FIG. 2, the sensors 10 a and 10 b include a footboard detection sensor 11 and an object detection sensor 12. The footboard detection sensor 11 and the object detection sensor 12 are provided side by side in the vertical direction. The footboard detection sensor 11 and the object detection sensor 12 are formed of a reflection type distance sensor.

  The footboard detection sensor 11 has a detection area within a certain distance from one of the skirt guards 7. Specifically, the footboard detection sensor 11 emits light toward a position within a certain distance from one of the skirt guards 7. At this time, if there is a stepping plate of Step 6 in the light traveling direction, the light is reflected by the stepping plate. In this case, the light reaches the footboard detection sensor 11. At this time, the footboard detection sensor 11 outputs an ON signal. On the other hand, the light is not reflected in the gap between the stepping plate in step 6 and the next stepping plate. In this case, the light does not reach the footboard detection sensor 11. At this time, the footboard detection sensor 11 outputs an OFF signal.

  The object detection sensor 12 has a detection area from one side of the skirt guard 7 to the other. Specifically, the object detection sensor 12 emits light from one side of the skirt guard 7 to the other side. At this time, if there is an object in the traveling direction of the light, the light is reflected by the object. In this case, the light reaches the object detection sensor 12. At this time, the object detection sensor 12 outputs an ON signal. On the other hand, if there is no object within the detection range of the object detection sensor 12, the object detection sensor 12 outputs an OFF signal.

  In this case, the footboard detection sensor 11 outputs an OFF signal at a time interval corresponding to the moving speed in Step 6. If the object detection sensor 12 outputs an ON signal while the tread board detection sensor 11 outputs an OFF signal, the speakers 9a and 9b warn by a warning sound or an announcement.

  According to the first embodiment described above, the speakers 9a and 9b warn when the sensors 10a and 10b detect an object straddling the stepping plate in the adjacent step 6 among the steps 6 in which the sensors 10a and 10b move in the horizontal direction. . For this reason, without adding a new mechanism component to Step 6, the user can be made aware that it straddles the adjacent step board of Step 6. As a result, it is possible for the user to avoid stepping off at the step generated between the adjacent stepping plates in Step 6.

  The sensors 10a and 10b include a footboard detection sensor 11 and an object detection sensor 12. In this case, the sensors 10a and 10b separately detect the gap between the treads in step 6 and the object. For this reason, it can be made to notice a user more reliably that it straddles the tread board of adjacent step 6. FIG.

  Further, the footboard detection sensor 11 and the object detection sensor 12 are formed of a reflective optical sensor. For this reason, the sensors 10a and 10b may be disposed only on one side of the skirt guard 7.

Embodiment 2. FIG.
FIG. 3 is a view for explaining a passenger conveyor safety device according to Embodiment 2 of the present invention. In addition, the same code | symbol is attached | subjected to the part which is the same as that of Embodiment 1, or an equivalent, and description is abbreviate | omitted.

  The object detection sensor 12 according to the first embodiment includes a reflective optical sensor. On the other hand, the object detection sensor 12 of the second embodiment is composed of a transmissive optical sensor.

  Specifically, the object detection sensor 12 includes a light projecting unit 12a and a light receiving unit 12b. The light projecting part 12 a is provided on one side of the skirt guard 7. The light receiving portion 12 b is provided on the other side of the skirt guard 7.

  The light projecting unit 12a emits light from one side of the skirt guard 7 to the other side. At this time, if there is an object in the traveling direction of the light, the light is reflected by the object. In this case, the light does not reach the light receiving unit 12b. At this time, the object detection sensor 12 outputs an ON signal. On the other hand, if there is no object in the light traveling direction, the light is not reflected. In this case, the light reaches the light receiving unit 12b. At this time, the object detection sensor 12 outputs an OFF signal.

  According to the second embodiment described above, the object detection sensor 12 includes a transmissive optical sensor. Also in this case, the user can be made aware that it straddles the stepping plate of the adjacent step 6 without adding a new mechanism component to step 6.

Embodiment 3 FIG.
FIG. 4 is a view for explaining a passenger conveyor safety device according to Embodiment 3 of the present invention. In addition, the same code | symbol is attached | subjected to the part which is the same as that of Embodiment 1, or an equivalent, and description is abbreviate | omitted.

  The footboard detection sensor 11 according to the first embodiment is a reflective optical sensor. On the other hand, the footboard detection sensor 11 according to the third embodiment includes a sensor that detects the presence or absence of metal. The tread board detection sensor 11 faces one side of the tread board in Step 6. The tread board detection sensor 11 detects one side of the tread board in step 6.

  According to the third embodiment described above, the footboard detection sensor 11 includes a sensor that detects the presence or absence of metal. Also in this case, the user can be made aware that it straddles the stepping plate of the adjacent step 6 without adding a new mechanism component to step 6.

Embodiment 4 FIG.
FIG. 5 is a view for explaining a passenger conveyor safety device according to Embodiment 4 of the present invention. In addition, the same code | symbol is attached | subjected to the part which is the same as that of Embodiment 1, or an equivalent, and description is abbreviate | omitted.

  The speakers 9a and 9b of the first embodiment warn when the object detection sensor 12 detects an object. On the other hand, in the speakers 9a and 9b of the fourth embodiment, there is an object at a position closer to the footboard detection sensor 11 than the gap between the footboards detected by the footboard detection sensor 11, and the footboard detection sensor 11 responds to the moving speed of Step 6. When a gap is not detected at time intervals, a warning sound or announcement is used to warn that the skirt guard 7 is excessively approached.

  According to the fourth embodiment described above, the warning device warns of the approach to the skirt guard 7 when the tread board detection sensor 11 does not detect a gap at a time interval corresponding to the moving speed of step 6. For this reason, the user can avoid contact with the skirt guard 7.

Embodiment 5 FIG.
FIG. 6 is a view for explaining a passenger conveyor safety device according to Embodiment 5 of the present invention. In addition, the same code | symbol is attached | subjected to the part which is the same as that of Embodiment 1, or an equivalent, and description is abbreviate | omitted.

  The sensors 10a and 10b according to the first embodiment include two optical sensors. On the other hand, the sensors 10 a and 10 b of the fifth embodiment include one optical sensor 13.

  The optical sensor 13 is a reflective sensor. The optical sensor 13 sets the detection area for the gap between the treads in the adjacent step 6 within a certain distance from the other of the skirt guards 7. Specifically, the optical sensor 13 emits light toward a position within a certain distance from the other side of the skirt guard 7. At this time, if there is an object in step 6 in the light traveling direction, the light is reflected by the object. In this case, the light reaches the optical sensor 13. At this time, the optical sensor 13 outputs an ON signal. On the other hand, if there is no object in step 6 in the light traveling direction, the light is not reflected. In this case, the light does not reach the optical sensor 13. At this time, the optical sensor 13 outputs an OFF signal.

Next, an object detection method will be described with reference to FIG.
FIG. 7 is a diagram for explaining a method of detecting an object by a passenger conveyor safety device according to Embodiment 5 of the present invention.

  As shown in the upper part of FIG. 7, when there is no object, the optical sensor 13 outputs an OFF signal at a time interval corresponding to the moving speed in Step 6. In this case, the speakers 9a and 9b do not warn.

  As shown in the middle part of FIG. 7, when there is an object that does not straddle the adjacent stepping plate in Step 6, the optical sensor 13 outputs an OFF signal at a time interval corresponding to the moving speed in Step 6. In this case, the speakers 9a and 9b do not warn.

  As shown in the lower part of FIG. 7, when there is an object straddling the stepping plate in the adjacent step 6, the optical sensor 13 does not output an OFF signal at a time interval corresponding to the moving speed in step 6. In this case, the speakers 9a and 9b warn.

  According to the fifth embodiment described above, the sensor includes one optical sensor 13. For this reason, a user can be made aware that it straddles the step board of the adjacent step 6 with a simpler configuration.

Embodiment 6 FIG.
FIG. 8 is a view for explaining a passenger conveyor safety device according to Embodiment 6 of the present invention. In addition, the same code | symbol is attached | subjected to the same part as Embodiment 5, or an equivalent part, and description is abbreviate | omitted.

  The optical sensor 13 of the fifth embodiment emits light toward a position within a certain distance from the other side of the skirt guard 7 without using a mirror. On the other hand, the optical sensor 13 according to the sixth embodiment emits light toward a position within a certain distance from the other of the skirt guard 7 via the mirror 14.

  According to the sixth embodiment described above, the optical sensor 13 emits light from the other side of the skirt guard 7 toward a position within a certain distance via the mirror 14. Also in this case, the user can be made aware that it straddles the stepping plate of the adjacent step 6 without adding a new mechanism component to step 6.

  DESCRIPTION OF SYMBOLS 1 Passenger conveyor 1, 2 Lower entrance / exit, 3 Upper entrance / exit, 4 Lower machine room, 5 Upper machine room, 6 steps, 7 Skirt guard, 8 Parapet panel, 9a, 9b Speaker, 10a, 10b sensor, 11 Step board detection sensor , 12 object detection sensor, 12a light projecting unit, 12b light receiving unit, 13 optical sensor, 14 mirror

Claims (9)

When a plurality of steps connected endlessly move in the horizontal direction and then move in an oblique direction, a sensor for detecting an object straddling the stepping plate of an adjacent step among the steps moving in the horizontal direction;
A warning device that warns when an object straddling a stepping plate of an adjacent step is detected by the sensor;
Passenger conveyor safety device. The sensor is
A footboard detection sensor for detecting a gap between the footboards of adjacent steps;
An object detection sensor for detecting an object above the gap detected by the tread board detection sensor;
The safety device of the passenger conveyor of Claim 1 provided with. The tread board detection sensor comprises an optical sensor,
The safety device for a passenger conveyor according to claim 2, wherein the object detection sensor is an optical sensor. The tread board detection sensor comprises a reflective optical sensor provided on the side surface of the skirt guard provided outside the step moving in the horizontal direction,
4. The passenger conveyor safety device according to claim 3, wherein the object detection sensor is a reflective optical sensor provided on a side surface of the skirt guard. The tread board detection sensor comprises a reflective optical sensor provided on the side surface of the skirt guard provided outside the step moving in the horizontal direction,
4. The passenger conveyor safety device according to claim 3, wherein the object detection sensor is a transmission type optical sensor provided on a side surface of the skirt guard.   3. The passenger conveyor safety device according to claim 2, wherein the tread board detection sensor is provided on a side surface of a skirt guard provided outside the step of moving in the horizontal direction, and includes a sensor that detects the presence or absence of metal. The tread board detection sensor has a detection area with respect to a gap between treads of adjacent steps within a certain distance from the skirt guard,
The warning device warns the approach to the skirt guard when a gap between adjacent steps is not detected by the tread detection sensor at a time interval corresponding to a moving speed of a step moving in the horizontal direction. The safety device for a passenger conveyor according to any one of claims 5 to 6. The sensor is provided on one side surface of the skirt guard provided outside the step moving in the horizontal direction, and a reflection type in which a detection region with respect to a gap between the treads of adjacent steps is within a certain distance from the other of the skirt guard. Consisting of optical sensors
The safety device for a passenger conveyor according to claim 1, wherein the warning device warns when a gap between adjacent steps is not detected by the sensor at a time interval corresponding to a moving speed of a step moving in the horizontal direction. A mirror provided on the other side of the skirt guard,
With
The safety device for a passenger conveyor according to claim 8, wherein the sensor emits light toward a position within a certain distance from the other of the skirt guards via the mirror.

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