JP4617841B2 - Passenger conveyor - Google Patents

Description

  The present invention relates to a passenger conveyor for automatically moving passengers, and more particularly to a guide device therefor.

  An example of a conventional passenger conveyor is described in Patent Document 1. In the passenger conveyor described in this publication, a cleat recess is formed on the surface so that passenger safety can be ensured even when the lights are turned off, and the tread that moves with the passenger on the elevator is moved up and down so as to mesh with the cleat recess. And a comb arranged in the mouth. In order to ensure the safety of passengers with the lights off, a phosphorescent material is provided on a part or all of the surface of the comb. Thereby, even if the illumination is extinguished, the phosphorescent material emits light, and the components and the like can be visually recognized.

  Another example of a conventional passenger conveyor is described in Patent Document 2. In the passenger conveyor described in this publication, a solar battery and a large number of light emitting diodes are embedded on a step board of a step, and a storage battery is attached inside the step device. A solar battery generates power by sunlight or an electric lamp, and this is stored in a storage battery. A light emitting diode is caused to emit light through a switch, and a step is illuminated.

Japanese Patent Laid-Open No. 10-45363

JP-A-5-162963

  In the passenger conveyor using the phosphorescent material described in Patent Document 1 above, it is possible to inform the passenger of the surrounding situation by light emission when the illumination is turned off, but when using darkness or illumination that does not require illumination During normal operation like this, the brightness of the phosphorescent material is low, and consideration for people who really need guidance means, such as low vision, has been insufficient. Moreover, in the light emission by the phosphorescent material, since the light emission is passive, it is difficult to control the intensity of the light, and only light having substantially the same intensity can be emitted.

  Further, in the method of Patent Document 2 in which a large number of LEDs are embedded in a step board and a power source for supplying power to the LEDs is also installed inside the step device, these parts must be incorporated in a step that constantly moves, and the structure is complicated. Therefore, a great deal of time is required for maintenance and installation work. In addition, since the posture of the step changes due to the movement, a mounting structure that can withstand the change in the posture of the step is required, which may increase the weight of the apparatus.

  The present invention has been made in view of the above-described problems of the prior art, and its purpose is to guide a passenger from the landing position to the passenger conveyor or from the passenger conveyor to the landing position by using the illumination means reliably and safely. It is in. Another object of the present invention is to reduce the step weight of the passenger conveyor and improve maintainability.

  A feature of the present invention for achieving the above object is that the demarcation is formed of an ultraviolet light emitting substance in a passenger conveyor in which demarcations indicating the mounting positions are formed on the four circumferences of the passenger mounting surface that is the upper surface of the step. The ultraviolet irradiating means for irradiating the ultraviolet light emitting substance with ultraviolet rays is statically arranged above the step or obliquely above.

In this feature, the demarcation is formed on all of the many steps forming the infinite loop, and a plurality of ultraviolet irradiation means are preferably arranged along the traveling direction of the infinite loop. It is preferable to provide a control means for blinking in synchronization with the progress of the infinite loop. In addition, the demarcation is made from an inorganic fluorescent paint that is applied to the passenger boarding surface or mixed in a member that forms the passenger boarding surface, and the ultraviolet absorber is applied to the boarding surface portion where this demarcation is not formed. It is preferable to apply or mix. A passenger boarding surface may be created by a plurality of steps, and the control means may be controlled so as to irradiate four rounds of the enlarged passenger boarding surface and stop the irradiation to the inside, and may be used for wheelchair demarcation.

  Another feature of the present invention that achieves the above-described object is that a passenger-mounting surface on which a passenger is mounted and a stepped plate that has a kick plate that closes the adjacent passenger-mounting surfaces are circulated and synchronized with the step. In the passenger conveyor provided with the handrail that is circulated and driven, the energy wave generating means is received at the stationary part where the passenger conveyor does not move, and the energy wave generated by the energy wave generating means is received at the edge of the passenger mounting surface. A demarcation is formed by mixing or applying a light emitting body.

  In this feature, the passenger conveyor has a balustrade that supports the handrail, an outer deck and an inner deck that abut against the lower portion of the balustrade, and a skirt guard that vertically closes the space between the inner deck and the steps. The wave generating means is an ultraviolet light emitting LED, and this ultraviolet light emitting LED is preferably arranged between the upper part of the skirt guard and the lower part of the inner deck, and this boarding / exiting floor is located in the vicinity of the boarding / exiting floor located at the end of the passenger conveyor. It is preferable to provide a step detection means for detecting a step that passes through and a control means for blinking the ultraviolet light emitting LED in accordance with an output signal of the step detection means.

  Further, in the above feature, the energy wave generating means includes first and second ultraviolet light emitting LEDs, and the first ultraviolet light emitting means emits light at an end portion in a direction perpendicular to the moving direction of the passenger mounting surface. The two ultraviolet light emitting LEDs may emit an intermediate portion in a direction perpendicular to the moving direction of the passenger boarding surface. A plurality of steps can be arranged horizontally to form a wheelchair step, and this wheelchair step is formed with a demarcation that is a light emitter only at the edge of the passenger boarding surface. You may make it provide the detection means to detect, and the control means to light an energy wave generation means according to this detection signal.

  According to the present invention, since the partial lighting means irradiates the step demarcation (boundary portion), the step position of the passenger conveyor can be clearly indicated even in a state where indoor lighting or outdoor sunlight is scarce. It is possible to guide the passengers reliably and safely from the landing position to the passenger conveyor or from the passenger conveyor to the landing position. Since these partial illumination means are small and light, the maintenance and inspection performance of the passenger conveyor is improved.

  An escalator is taken up as an example of a passenger conveyor according to the present invention and will be described below with reference to the drawings.

  FIG. 1 is a top view of the entrance / exit part of the escalator 100, and FIG. 2 is a front sectional view thereof. As shown in the side view of the escalator 100 in FIG. 7, a large number of fan-shaped steps 1a to 1f,... Are connected in an infinite loop. Handrails 7a and 7b that move in synchronization with the steps 1a are arranged on the left and right sides of each step 1a and above the steps 1a. At the rear side of the step 1a located at the end, that is, on the protruding side and at a level substantially the same as the mounting surface 2a of the step 1a, the boarding / exiting floor 14 exceeds the handrails 7a, 7b in the left-right direction. Arranged. In accordance with the width in the left-right direction of the getting-on / off floor 14, outer decks 10 a, 10 b having an inclination similar to the inclination of the steps 1 a,.

  In each step 1a,..., Members called demarcation are provided on the four peripheral portions of the step board 1a,. ing. The demarcation includes a front end demarcation 4a that extends left and right at the front end, which is the connection side of the mounting surfaces 2a,..., And a rear end demarcation 5a that extends left and right at the back side of the connection portion. ,... Have side end demarcations 6aa, 6ab,. On the front side of the mounting surfaces 2a, there are provided, as shown in FIG. 2, kicking plates 3a, which block between the adjacent mounting surfaces 2a, ... and the mounting surfaces 2b.

  The balustrades 8a and 8b that support the handrails 7a and 7b are fixedly arranged below the handrails 7a and 7b that are circulated. Outer decks 10a and 10b having an L-shaped cross section are disposed extending below and below the balustrades 8a and 8b. Inner decks 9a and 9b having a bent cross-section are disposed below the balustrades 8a and 8b and on the inner side in the left-right direction. Skirt guards 11a, 11b having a vertical cross-sectional shape are disposed between the lower ends of the inner decks 9a, 9b and the left and right side surfaces of the steps 1a,. The skirt guards 11a, 11b and the inner decks 9a, 9b block the steps 1a,... And the balustrades 8a, 8b complete.

  The lower ends of the inner decks 9a and 9b are slightly bent outward in the left-right direction, and a plurality of first ultraviolet light emission is provided in the vicinity of the bent portion and inward in the left-right direction with respect to the skirt guards 11a and 11b. The LEDs 12aa, 12ab,... Are arranged along the traveling direction of the steps 1a,. The first ultraviolet light emitting LEDs 12aa, 12ab, ... are located substantially above the side end demarcations 6aa, 6ab, ....

  The front end demarcation 4a,..., The rear end demarcation 5a,... And the side end demarcation 6aa, 6ab,... Are made of a member mixed with an ultraviolet reaction light emitter such as an inorganic fluorescent paint, It is formed by coating on the surface of demarcation 4a, 5a, 6aa, 6ab,. In addition to the portion where the demarcation 4a, 5a, 6aa, 6ab,... Is attached, the surface of the cleat of the passenger mounting surface 2a,. Apply.

  According to the present embodiment, the front end demarcation 4a, ..., the rear end demarcation 5a, ... and the side end demarcation provided on the four circumferences of the passenger mounting surface 2a, ... over the entire area in the moving direction of the steps 1a, ... Since 6aa, 6ab,... Emit light, the positions of the steps 1a,. As a result, it can be used for socially weak people such as low vision people, and the usability is improved.

  Further, in this embodiment, since the ultraviolet absorber is mixed or applied to the passenger mounting surface 2a,..., The reflection of ultraviolet rays can be reduced and the apparatus is friendly to humans. Furthermore, if a photocatalyst layer is applied on a demarcation mixed with or coated with an ultraviolet reactive illuminant, the demarcation can maintain the initial emission luminance due to the antifouling effect of irradiating the photocatalyst with ultraviolet light.

  Since the first ultraviolet light emitting LEDs 12aa, 12ab,... Are installed so as to emit light downward at the lower portions of the inner decks 9a, 9b, the ultraviolet rays emitted from the first ultraviolet light emitting LEDs 12aa, 12ab,. Is prevented from entering. In this embodiment, the first ultraviolet light emitting LED 12 is disposed below the inner decks 9a and 9b in consideration of the influence of ultraviolet rays. If it is possible to provide a means for avoiding the irradiation of ultraviolet rays to the human body, the first ultraviolet light emitting LED 12 is not limited to the position of this embodiment, and the demarcations 4a, 5a, 6aa, 6ab,. It can provide in the position which can be irradiated.

  In this embodiment, the energy wave is ultraviolet light, the first ultraviolet light emitting LED 12 is used as a means for emitting the energy wave, and the ultraviolet reaction light emitter is used as a demarcation material for receiving the energy wave. As the means for emitting energy waves and the means for receiving and emitting energy waves, an electromagnetic wave may be used for the energy waves, and a light emitter that reacts to the electromagnetic waves may be used for the light emitting means.

  In the present embodiment, the ultraviolet light emitting LED 12 can be connected to or switched from an emergency power source (not shown), and the position of the step 1 can be clearly presented even when the surroundings are dark, such as when the illumination is interrupted. Thereby, the user can safely move with the step 1 in a dark environment such as when the light is cut off. Since the demarcation and the first ultraviolet ray emitting LED of this embodiment need only be partly modified from the conventional escalator, it is easy to cope with the renewal.

  Another embodiment of the passenger conveyor 100 according to the present invention will be described with reference to the side view shown in FIG. 7 and the timing chart of FIG. In this embodiment, in addition to the first ultraviolet light emitting LEDs 12aa, 12ab,... Provided in the above embodiment, step detection means 15 disposed near the getting-on / off floor 14 and a signal detected by the step detection means 15 are input. The passenger conveyor 100 has the control means 16. The control means 16 controls the light emission timing of the first ultraviolet light emitting LEDs 12aa, 12ab,. In the passenger conveyor 100, passengers may lose their balance and cause a fall accident when transferring from the boarding / exiting floor 14 to the step 1 a or from the step 1 a to the boarding / exiting floor 14. Therefore, the position of the step 1a and the boarding / alighting timing are surely notified to the passenger to prevent the passenger from falling.

  A step detecting means 15 is provided on the inner side in the moving direction of the steps 1a,... From the end of the step loop formed by the steps 1a,... Above the portion where the steps 1a,. . When the step detecting means 15 detects a gap between the steps 1a,... And the steps 1b,..., The control means 16 causes the first ultraviolet light emitting LEDs 12aa, 12ab,. Each demarcation 4a, 5a, 6aa, 6ab,... In the vicinity of the boarding / alighting floor 14 is caused to emit light in the same cycle so that the user can visually recognize the approach of the boarding / alighting floor 14, and advance preparation and boarding / alighting timings. Make you aware.

  FIG. 8 shows a time chart of an example of blinking operation of the first ultraviolet light emitting LEDs 12aa, 12ab,. When the step detecting means 15 detects a gap between the step 1a, ... and the step 1b, ..., the first ultraviolet light emitting LEDs 12aa, 12ab, ... are turned ON, and a half of the moving cycle in which one step moves to the adjacent step position is reduced. After the elapse of time, the first ultraviolet light emitting LEDs 12aa, 12ab,. In the present embodiment, the first ultraviolet light emitting LEDs 12aa, 12ab,... Blink with the passage period of the steps 1a,..., But the blinking period is not limited to this. However, it is ergonomically safer if synchronized with the movement of the steps 1a,.

  In the present embodiment, the handrail light emitting means 18 is further provided below the handrails 7a and 7b and near the entrance / exit. The boarding / alighting floor 14 is provided with 17a, 17b boarding / lighting means for emitting light according to the light beam of the handrail light-emitting means 18. These handrail light emitting means 18 and the getting on / off floor light emitting means 17a, 17b are connected to the control means so as to blink in the same manner as the ultraviolet light emitting LEDs 12aa, 12ab,. The passenger can grasp the situation of the steps 1a and 1b located under the boarding / alighting floor 14, and can get on the step 1a with good timing. Further, it is possible to grasp that the handrail 7 installed at a position closer to the passenger's eyes than the step 1 operates in synchronization with the steps 1a,.

  In this embodiment, if the safety device of the passenger conveyor 100 is interlocked with the lighting or blinking of the first ultraviolet light emitting LEDs 12aa, 12ab,. For example, if all the first ultraviolet light emitting LEDs 12 of the stopped passenger conveyor 100 are blinked and all the demarcations on the outward path are blinked, the user can be easily informed that a failure is occurring.

  Still another embodiment of the passenger conveyor 100 according to the present invention will be described with reference to FIGS. FIG. 3 is a front view of the passenger conveyor 100. This embodiment differs from the embodiment shown in FIG. 1 in that ultraviolet light emitting LEDs that irradiate demarcations 4a, 5a, 6aa, 6ab,.. This is because two pieces are provided at a lower portion of the decks 9a and 9b. That is, the first ultraviolet light emitting LEDs 12aa, 12ab,... That mainly emit light at the side ends of the passenger mounting surfaces 2a,..., And the second ultraviolet light emitting LEDs 13aa, that mainly emit light at the center of the passenger mounting surfaces 2a,. .. Are arranged below the inner decks 9a, 9b,.

  4 shows the effects of the first ultraviolet light emitting LEDs 12aa, 12ab,... In the embodiment of FIG. 1 (FIG. 4A), and the first and second ultraviolet light emitting LEDs 12aa, 12ab in the embodiment shown in FIG. 13aa, 13ab,... Shows the effect of combination ((b) in the figure). In this figure, k is an arbitrary integer and indicates the number of steps from the ends of the steps 1a,. 4A and 4B, the upper part is a front view of the step 1k showing the position of the ultraviolet light emitting LED, and the lower part is a light emission luminance distribution in the left-right direction of the k-th step 1k. In these figures, the step 1k is shown from the right end in the left-right direction to the center.

  In the embodiment of FIG. 1, the distance from the right first ultraviolet light emitting LED 12ka to the passenger mounting surface 2k varies depending on the position in the left-right direction. In other words, the right side demarcation 6ka emits light brightly, but the central portion in the left-right direction of the front end demarcation 4k and the rear end demarcation 5k does not emit as brightly as the side end demarcation 6ka. Since the light emission luminance is inversely proportional to the square of the distance from the light source, in the embodiment shown in FIG. 1, uneven light emission occurs in each demarcation 6 ka, 6 kb, 4 k, and 5 k.

  On the other hand, in the light emission luminance distribution shown in the present embodiment, the right second light newly added to the light emitted by the right first ultraviolet light emitting LED 12ka in the embodiment shown in FIG. The light emission by the ultraviolet light emitting LED 13ka is superimposed, and a distribution having two peaks as shown by the solid line is obtained. Here, the direction of the newly added second ultraviolet light emitting LED 13ka is set so as to emit light from the center side of about 1/4 in the left-right direction.

  The second ultraviolet light emitting LED 13ka suppresses the change in the light emission luminance at the middle portion of the passenger riding surface 2k, that is, the middle portion in the left-right direction between the front end demarcation 4k and the rear end demarcation 5k, as compared with the embodiment shown in FIG. The According to the present embodiment, the positions of the steps 1a,... Are further clarified, and passenger usability is improved. In addition, although the two ultraviolet light emitting LEDs, the first ultraviolet light emitting LED 12ka and the second ultraviolet light emitting LED 13ka, are used at the same location, three or more ultraviolet light emitting LEDs may be arranged per location in order to reduce light emission unevenness. .

  Naturally, since the ultraviolet light emitting LEDs are provided on the left and right inner guards 9a and 9b as shown in FIG. 3, the demarcation luminance distribution shown in FIG. In addition, even if the irradiation of the left or right LED is hindered by luggage or the like, it can be covered by the other LED, and the light emission reliability of demarcation is improved. In addition, when ultraviolet light emitting LEDs are provided on the left and right as shown in FIG. 3, the irradiation range of each LED may be up to the center in the left-right direction. In this case, since the LED is used as the spot light, a small output LED can be used, and the size can be reduced.

  Still another embodiment of the passenger conveyor 100 according to the present invention will be described with reference to FIGS. A present Example is the case of the passenger conveyor 100 corresponding to a wheelchair. FIG. 5 shows a top view of the passenger conveyor 100. In order to correspond to a wheelchair, a wheelchair-compatible step is formed using the three steps 1a to 1c.

  For safety in the operation of the passenger conveyor 100, both the wheelchair user and the passenger are accommodated in the demarcation. Therefore, the wheelchair user is accommodated in a predetermined position using the demarcation light emitting means. In this embodiment, the apparatus of the embodiment shown in FIG. 7 is used. When a wheelchair operation switch (not shown) is pressed, control means for controlling the first ultraviolet light emitting LEDs 12aa, 12ab,... And the second ultraviolet LEDs 13aa, 13ab,.

  When placed on the passenger conveyor 100, the wheelchair user presses a wheelchair operation switch provided in the vicinity of the entrance of the passenger conveyor 100. A dedicated step 1x in which the three steps 1a to 1c are set at the same height is formed from a part of the steps 1a formed in an infinite loop. The exclusive step 1x stops when it moves to the vicinity of the entrance. When the wheelchair dedicated step 1x stops at the entrance / exit, the control means 16 to which a wheelchair operation switch signal is input includes the front end demarcation 4a of the most advanced step 1a and the rear end demarcation 5c of the last step 1c of the wheelchair dedicated step 1x. Further, the side edge demarcations 6aa to 6cb of the wheelchair-specific step 1x are caused to emit light.

  Therefore, a lighting control signal is output to the second ultraviolet light emitting LEDs 13aa to 13gb,... And the first ultraviolet light emitting LEDs 12aa to 12gb that irradiate the wheelchair-specific step 1x. Thereby, the demarcation located in the four circumferences of the wheelchair-specific step 1x emits light. According to the present embodiment, the wheelchair-specific step 1x can be clearly presented, and the assistant can accommodate the wheelchair within the light frame. When it is confirmed that the wheelchair user has entered the nearby step in the demarcation formed in the quadrilateral, the passenger escalator operator, the assistant, or the wheelchair user uses the passenger conveyor 100. Restart. A wheelchair user is carried to a predetermined floor by the passenger conveyor 100.

  FIG. 6 shows a flowchart of the operation of the passenger conveyor 100. First, at step 60, the control device 16 determines whether or not the wheelchair operation switch has been pressed. When the wheelchair operation switch is not pressed, since it is the normal operation mode, all the steps 1a,... In step 62, all the first ultraviolet light emitting LEDs 12aa, 12ab,... And the second ultraviolet light emitting LEDs 13aa, 13ab,. When the wheelchair operation switch is pressed, the process proceeds to step 64, where a wheelchair-specific stairs is formed from the three steps 1a to 1c and moved to the entrance / exit. Stop when you arrive at the gate. Proceeding to step 66, the first ultraviolet light emitting LEDs 2aa to 12gb and the second ultraviolet light emitting LEDs 3aa to 13gb are turned on to form demarcation four-circumference portions. Next, a wheelchair and an assistant are mounted in the demarcation according to the above procedure, and when the mounting is confirmed, the passenger conveyor 100 is operated.

  In each of the above embodiments, the demarcation formed on the passenger conveyor is separated from the cleat. However, it is integrated with the cleat forming the step so that the ultraviolet reaction light emitter is applied or mixed only in the peripheral portion thereof. May be.

The top view of one Example of the passenger conveyor which concerns on this invention. The front view of the passenger conveyor shown in FIG. The front view of the other Example of the passenger conveyor which concerns on this invention. The figure explaining the effect of a demarcation. The top view which shows one usage example of the passenger conveyor which concerns on this invention. The operation | movement control flowchart of the passenger conveyor which concerns on this invention. The side view of the further another Example of the passenger conveyor which concerns on this invention. The timing chart of the ultraviolet light emission LED used for the passenger conveyor shown in FIG.

Explanation of symbols

1a to 1x ... Step, 2a to 2f ... Riding surface, 3a to 3f ... Kick plate, 4a to 4c ... Front end demarcation, 5a to 5c ... Rear end demarcation, 6aa to 6cb ... Side end demarcation, 7a, 7b ... handrail, 8a, 8b ... balustrade, 9a, 9b ... inner deck, 10a, 10b ... outer deck, 11a, 11b ... skirt guard, 12aa-12gb ... first ultraviolet light emitting LED, 13aa-13gb ... second ultraviolet light emitting LED, DESCRIPTION OF SYMBOLS 14 ... Boarding / alighting floor, 15 ... Step detection means, 16 ... Control means, 17 ... Boarding / lighting floor illumination means, 18 ... Handrail illumination means, 100 ... Passenger conveyor (escalator).

Claims (10)

In the passenger conveyor in which a demarcation indicating the boarding position is formed on the four sides of the passenger boarding surface which is the upper surface of the step,
With the demarcation is formed by ultraviolet light emitting material, to rest position the ultraviolet light irradiation means for irradiating ultraviolet rays to the ultraviolet light emitting material above or obliquely above the footstep,
A passenger conveyor, wherein an ultraviolet absorber is applied to or mixed in the passenger boarding surface portion where the demarcation is not formed . In the passenger conveyor in which a demarcation indicating the boarding position is formed on the four sides of the passenger boarding surface which is the upper surface of the step,
The demarcation is formed of an ultraviolet light emitting material, and ultraviolet irradiation means for irradiating the ultraviolet light emitting material with ultraviolet light is statically disposed above or obliquely above the steps,
Creating a passenger riding surface enlarged by a plurality of the steps, irradiating four rounds of the enlarged passenger riding surface, and controlling means to stop the irradiation to the interior, wheelchair demarcation and Passenger conveyor characterized by that. The passenger conveyor according to claim 2, wherein an ultraviolet absorber is applied or mixed into the passenger boarding surface portion where the demarcation is not formed. The demarcation is formed in all of a number of the footstep for forming an endless loop, said ultraviolet light irradiation means from claim 1, characterized in that it is more arranged along the traveling direction of the endless loop 3 The passenger conveyor in any one of. The passenger conveyor according to claim 4 , further comprising a control unit that causes the ultraviolet irradiation unit to blink in synchronization with the progress of the infinite loop. The demarcation is passengers according to any one of claims 1 to 5, characterized in that it is made from an inorganic fluorescent paint mixed in member forming the coating or the passenger ride Nomen the passenger nono surface Conveyor. A handrail in synchronization with driven to circulate with the steps, and balustrade for supporting the handrail, an outer deck and inner deck in contact with the bottom of the balustrade, a skirt guard for closing between the between the inner deck footstep vertically Have
Said ultraviolet light irradiation means is an ultraviolet light emitting LED, a passenger conveyor according to any one of claims 1 to 6, characterized in that a said ultraviolet light-emitting LED between a lower portion of the upper and the inner deck of the skirt guard. In the vicinity of the landing floor located at the end of the passenger conveyor control, a footstep detection means for detecting the footstep passing through the boarding floor provided, blink the ultraviolet light irradiation means in accordance with the output signal of the footstep detecting means The passenger conveyor according to any one of claims 1 to 7, further comprising means. It said ultraviolet light irradiation means is first, a second ultraviolet light emitting LED, the first ultraviolet light emitting LED is made to emit light ends of a direction perpendicular to the moving direction of the passenger riding Nomen, the second ultraviolet The passenger conveyor according to any one of claims 1 to 8, wherein the light emitting LED emits light in an intermediate portion in a direction perpendicular to the moving direction of the passenger boarding surface. In the passenger conveyor in which a demarcation indicating the boarding position is formed on the four sides of the passenger boarding surface which is the upper surface of the step,
Having an energy wave generating means in a stationary part where the passenger conveyor does not move;
The demarcation has a light emitter that emits light when receiving an energy wave generated by the energy wave generating means,
For the wheelchair, a passenger seating surface enlarged by a plurality of the steps is created, the energy wave is irradiated to the four circumferences of the enlarged passenger seating surface, and the control means controls to stop the irradiation to the inside. Passenger conveyor, characterized by its demarcation.

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