JP6208530B2 - Home door device - Google Patents

Description

  The present invention relates to a platform door device.

  Patent Documents 1 and 2 describe techniques related to a home door control system. In these control systems, a sensor is disposed at the door tip of the door, and when an object sandwiched between the pair of doors moves, the sensor detects the presence of the object. Then, in a state in which the door is closed or unlocked, the door is opened at a certain interval, and the pinched object is removed.

  Patent Document 3 describes a door pinching avoidance device for an automatic door device. This device has a structure in which only the door tip portion of the door is movable and opened, and it is possible to remove an object sandwiched between the doors when the door is closed.

  Patent Document 4 describes a technique related to a movable home fence. In this movable platform fence, in order to cope with a change in the distance between the door pockets due to a change in ambient temperature, the torque of the motor that moves one door is made larger than the torque of the motor that moves the other door. The one door is provided with a stopper, and the door end portion of the one door is positioned by contacting the stopper with a certain portion in the door pocket. The door end portion of the other door is positioned by contacting the door end portion of the one door.

Japanese Patent No. 3947960 Japanese Patent Laid-Open No. 2003-137086 JP 2010-007456 A JP 2012-096768 A

  In recent years, in order to prevent passengers from falling on the platform or coming into contact with the train, a platform door device (also referred to as a movable platform fence) that can be opened and closed is used on the platform of the station. It is installed at a position corresponding to the entrance / exit. In such a home door device, it is necessary to take measures against so-called door pinching, in which passengers and objects are pinched when the door is closed. As an example, when door pinching occurs, a sensor installed at the door tip of the door detects a door position abnormality, detects a load on the motor that operates the door, and reverses or stops the motor. A system, a system in which the door end portion has a movable structure, and the like can be considered.

  However, in the method of detecting an abnormality in the door position and the method of detecting the load on the motor, an abnormality is detected when a thin object such as a finger, an umbrella tip, or a bag string part or a thin object is caught. You may not be able to. Tightening the standard value for abnormality determination may cause malfunction. Furthermore, if the sensor is disposed at the door end portion of the door, there is a problem in durability such that the sensor breaks down due to an impact when the door is closed. Further, in the system in which the door end portion is a movable structure, the structure of the door becomes complicated, leading to a decrease in reliability and an increase in cost.

  This invention is made | formed in view of such a problem, and provides the platform door apparatus which can avoid a door pinching with a simple structure even if it is a thin thing and a thing without thickness. Objective.

  In order to solve the above-described problems, a platform door device according to the present invention is a platform door device installed at a position corresponding to a vehicle entrance on a platform of a railway station, and can be opened and closed in a first direction. Provided with a pair of movable doors, with respect to a reference line along the first direction, the door tip portion of one movable door is arranged on the vehicle side, and the door tip portion of the other movable door is arranged on the opposite side to the vehicle A first aerial plane including a side surface on the reference line side of the door end portion of one movable door, and a second aerial plane including a side surface on the reference line side of the door tip portion of the other movable door, It is characterized by being separated from each other in a direction crossing the direction of 1.

  In this home door device, the door tips of the pair of movable doors are respectively disposed on the vehicle side and the opposite side of the vehicle with respect to the reference line. In other words, these door end portions are arranged in a staggered manner in a direction intersecting the reference line. The side surfaces of these door tips are separated from each other in the first direction, that is, the direction intersecting the opening / closing direction. According to such a configuration, even when the movable doors are completely closed, a gap is always generated between the door tips, so that it is possible to avoid the pinching of a thin object or a thin object with no thickness. it can. Further, it can be realized with a simple configuration as compared with the various methods described above.

  The platform door device may further include first detection means for detecting an object existing in a region between the first aerial plane and the second aerial plane. Thereby, even if it is a thing larger than the clearance gap between door tip parts, the door pinching can be avoided effectively.

  In addition, the platform door device may be characterized in that the first detection means includes a two-dimensional sensor that scans light two-dimensionally. Thereby, compared with the case where a three-dimensional three-dimensional sensor is installed, for example, a structure can be simplified and manufacturing cost can be reduced.

  Further, the platform door device may be characterized in that the first detection means has a one-dimensional sensor that linearly irradiates light. Thereby, a structure can be simplified more compared with both the case where a two-dimensional sensor is installed, and the case where a three-dimensional sensor is installed, and manufacturing cost can be further reduced.

  In addition, when the first detection unit detects an object, the platform door device is configured to inform a passenger using at least one of light, sound (including guidance by voice), and image (display of characters and pictures). It may be characterized by further comprising a guiding means for informing. Thereby, a passenger can be alerted and an accident can be prevented more effectively.

  Further, the platform door device has a second detection means for detecting an object existing in a region opposite to the vehicle with respect to a third aerial plane including a side surface opposite to the reference line of the other movable door. May be further provided. Accordingly, it is possible to prevent not only the other movable door but also the passenger's leaning on the one movable door and the entanglement of the door on the one movable door.

  In addition, the platform door device may be characterized in that the door tips of the pair of movable doors overlap each other when viewed from the normal direction of at least one of the first and second aerial planes. This eliminates the gap between the front ends of the door toe seen from the passenger side, thus more effectively preventing passengers from falling on the platform and coming into contact with the train. Further improvement can be achieved.

  According to the platform door device according to the present invention, it is possible to avoid the pinching of doors even with a thin object or a thin object with a simple configuration.

It is a plane sectional view showing roughly composition of a platform door system provided with two or more platform door devices concerning one embodiment of the present invention. It is a front view which shows the structure of a home door system schematically. It is a perspective view which shows the structure of the platform door system seen from the platform side. It is a perspective view which shows the structure of the platform door system seen from the track | orbit side. It is a perspective view which expands and shows the structure of a home door apparatus. It is a top view which shows the structure of the platform door apparatus shown by FIG. It is a perspective view which shows the structure of a platform door apparatus as a 1st modification. It is a perspective view which shows the structure of a platform door apparatus as a 2nd modification. It is a top view which shows the structure of a platform door apparatus as a 3rd modification. It is a top view which shows the structure of a platform door apparatus as a 4th modification. It is a top view which shows the structure of a platform door apparatus as a 4th modification.

  Hereinafter, embodiments of a platform door device according to the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same elements are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a plan sectional view schematically showing a configuration of a platform door system 1 including a plurality of platform door devices 3A according to an embodiment of the present invention. FIG. 2 is a front view schematically showing the configuration of the platform door system 1 shown in FIG. 1 and 2 show a state in which the vehicle C stops on the platform P. FIG. FIG. 3 is a perspective view showing the configuration of the platform door system 1 viewed from the platform P side. FIG. 4 is a perspective view showing the configuration of the platform door system 1 as viewed from the track side.

  As shown in FIGS. 1 to 4, the platform door system 1 includes a plurality of platform door devices 3 </ b> A. The plurality of platform door devices 3A are respectively installed at positions corresponding to passenger entrances / exits E1 for the vehicle C in the vicinity of the edge of the platform P of the railway station. Each platform door device 3A is a double-open sliding door, and includes a pair of movable doors 4 and 5, and door door doors 31 and 32 that can accommodate the movable doors 4 and 5, respectively. The movable doors 4 and 5 reciprocate between positions housed in the home door pockets 31 and 32 and positions pulled out from the home door pockets 31 and 32, respectively, by a drive mechanism (not shown). The pair of movable doors 4 and 5 are moved in opposite directions to be pulled out to close the passenger entrance / exit passage, and are moved in opposite directions to be housed in the home door pockets 31 and 32, respectively. Thus, the boarding / alighting passage is opened. The door door pockets 31 and 32 include a drive mechanism for driving the movable doors 4 and 5, a door opening / closing detector for detecting the closed state of the movable doors 4 and 5, and an obstacle sensor 38 for detecting an obstacle on the vehicle C side. (See FIG. 4).

  The home door system 1 further includes a crew member door 7 and a crew door door pocket 9. The crew door 7 is provided at a position different from the passenger entrance / exit E1 (home door device 3A). The crew door 7 and the crew door pocket 9 are a crew door and a crew door door for opening and closing a boarding passage through which a crew member gets on and off the crew room of the vehicle C, and is connected to the crew room (crew entrance E2). Is provided. The home door system 1 further includes an emergency escape door 10 and an emergency escape door pocket 12. When the vehicle C stops (for example, emergency stop due to a disaster, power off, power failure, accident, etc.) in a state where the position of the platform door device 3A and the entrance E1 of the vehicle C do not coincide with each other, A passenger is provided to escape from the vehicle C.

  FIG. 5 is an enlarged perspective view showing the configuration of the platform door device 3A. FIG. 6 is a top view showing the configuration of the platform door device 3A shown in FIG. As shown in FIGS. 5 and 6, the movable doors 4 and 5 of the platform door device 3A can be opened and closed by reciprocating in the first direction (arrow A1 in the figure) along the edge of the platform P. It has become. In the state where the movable doors 4 and 5 are closed, the door end portion 41 of one movable door 4 is arranged on the vehicle C side with respect to the reference line SL along the first direction A1, and the other The door end portion 51 of the movable door 5 is arranged on the opposite side (opposite side) from the vehicle C with respect to the reference line SL. In other words, these door end portions 41 and 51 are arranged alternately in a direction intersecting with the reference line SL (arrow A2 in the drawing). In the present embodiment, in a state where the movable doors 4 and 5 are closed, the entire movable door 4 including the door-end portion 41 is disposed on the vehicle C side with respect to the reference line SL, and the door-end portion 51 The entirety of the movable door 5 including is arranged on the opposite side (opposite side) from the vehicle C with respect to the reference line SL.

  Here, a first aerial plane P1 including the side surface 41a on the reference line SL side of the door tip portion 41 and a second aerial plane P2 including the side surface 51a on the reference line SL side of the door tip portion 51 are respectively defined. . In a state where the movable doors 4 and 5 are closed, the aerial plane P1 and the aerial plane P2 are separated from each other in a direction intersecting the first direction A1 (for example, the direction A2). Therefore, as shown in FIG. 6, a region between the door tip portion 41 and the door tip portion 51 is a gap B as viewed from the first direction A1. In the present embodiment, the entire side surface on the reference line SL side of the movable door 4 including the side surface 41a is included in the aerial plane P1, and the entire side surface on the reference line SL side of the movable door 5 including the side surface 51a is the aerial plane. It is included in P2.

  Moreover, in the state in which the movable doors 4 and 5 are completely closed, the relative position in the first direction A1 between the tip portion 41b of the door tip portion 41 and the tip portion 51b of the door tip portion 51 is arbitrary. As an example, FIG. 6 shows a form in which the position of the tip 41b and the position of the tip 51b in the same direction are spaced apart from each other by a distance D1. In this case, the door end portions 41 and 51 do not overlap each other when viewed from the normal direction of the imaginary planes P1 and P2 (that is, the direction A2).

  The home door apparatus 3A further includes first detection means 30A. The first detection means 30A detects an object existing in a region (including the gap B) between the imaginary plane P1 and the imaginary plane P2, such as an umbrella or a bag sandwiched between doors, a passenger, or the like. In the present embodiment, the first detection means 30A includes two two-dimensional sensors 33 and 34. The two-dimensional sensors 33 and 34 are fixed to platform door pockets 31 and 32, respectively. The two-dimensional sensors 33 and 34 scan light in a two-dimensional manner, for example, and detect reflected light from the object using a phototube or the like. The detection areas C1 and C2 of the two-dimensional sensors 33 and 34 shown in FIG. 5 pass through the area between the aerial plane P1 and the aerial plane P2 without being shielded by the movable doors 4 and 5. The detection areas C1 and C2 of the two-dimensional sensors 33 and 34 have fan-like planes that pass through the gap B and have the two-dimensional sensors 33 and 34 as the center points of the respective arcs. 30 A of 1st detection means is good to start a detection operation at the timing which the door opening / closing detector of the door pockets 31 and 32 for home doors detected the closed state of the movable doors 4 and 5, for example.

  The home door apparatus 3A further includes guide means 35. The guide means 35 includes, for example, at least one of a light emitter, a display screen, and a speaker. When the first detection unit 30A detects an object, the guide unit 35 outputs at least one of light, sound (including guidance by voice), and image (display of characters and pictures). Inform passengers that an object has been detected.

  The effects obtained by the platform door device 3A having the above configuration will be described. In this home door device 3A, the door end portions 41 and 51 of the pair of movable doors 4 and 5 are respectively arranged on the vehicle C side and the opposite side of the vehicle C with respect to the reference line SL. And the side surfaces 41a and 51a of these door-end parts 41 and 51 are mutually separated in 1st direction A1, ie, the direction A2 which cross | intersects an opening-and-closing direction. According to such a configuration, even when the movable doors 4 and 5 are completely closed, a gap B is always generated between the door-end portions 41 and 51. It is possible to avoid door pinching. In addition, compared to the various methods described in the [Problems to be Solved by the Invention] column, a home door device capable of avoiding door pinching can be realized with a simpler configuration. And by making a platform door apparatus into a simple structure, the operation | work at the time of installing a platform door apparatus on a platform can be facilitated, and the time which installation requires can be shortened.

  In addition, even if it is a case where a pair of movable door is arrange | positioned on a straight line like a general platform door apparatus (for example, refer patent documents 1-4), it is possible to open a clearance gap between door tip parts. However, according to the platform door device 3A of the present embodiment, the distance between the front end portion 41b of the door tip portion 41 and the front end portion 51b of the door tip portion 51 viewed from the passenger side, that is, the second direction A2, can be reduced. Therefore, the width of the gap B for avoiding the door pinching can be sufficiently secured while sufficiently ensuring the safety of the passenger.

  Further, according to the home door device 3A of the present embodiment, the door tip portions 41 and 51 do not contact each other, so that the relative height and inclination of the movable door 4 and the movable door 5 or the detection of the door opening / closing detector. There is no need to strictly adjust the reference value, and so-called door-to-door alignment (door alignment adjustment) can be facilitated. Conventionally, in order to avoid a collision sound between door tips during a closing operation, adjustment is made so that a gap of, for example, several millimeters is opened between both doors. This adjustment is based on individual differences in components such as the motor that drives the door, the belt that transmits the driving force of the motor to the door, the sensor that constitutes the door open / close detector, and the dimensional error of the door body, as well as the installation conditions and environment It is necessary depending on the difference in ambient temperature. According to the platform door device 3A of the present embodiment, such adjustment can be made unnecessary.

  In addition, according to the platform door device 3A of the present embodiment, the wind passes between the movable door 4 and the movable door 5 when the train passes, so the wind pressure from the train causes the platform door device and its base portion to be applied. The load can be reduced and the durability of the platform door device can be increased.

  In addition, as in the present embodiment, the platform door device 3A preferably includes first detection means 30A that detects an object that exists in a region between the aerial plane P1 and the aerial plane P2. Thereby, even when a thing larger than the gap B between the door tip portion 41 and the door tip portion 51 is present in the gap B, the closing operation of the movable doors 4 and 5 is interrupted, or a warning is given to the door pinching. Thus, occurrence of door pinching can be effectively avoided. Further, by widening the detection area of the first detection means 30A, it is possible to detect an object that contacts the movable door 4 from the platform P side, so that a passenger leans on the movable door 4 or the movable door. It is also possible to prevent entrainment into the 4-side door pocket 31.

  For example, if the object between the doors is the belongings of a passenger on the platform P side (umbrella, bag, etc.), either forcibly pull out or wait until the next train arrives and the movable doors 4 and 5 are opened again It is also possible. However, when a passenger's belongings already in the vehicle C are sandwiched between the movable doors 4 and 5, they are inevitably sandwiched between the doors of the entrance / exit of the vehicle C, so that it is not easy to pull out. In the devices described in Patent Documents 1 and 2, even in such a case, the door can be opened if the door has a width that can be detected by the door-end sensor. However, the vehicle C may start moving as it is if it is a thin item that cannot be detected by the door-end sensor. On the other hand, according to the present embodiment, by providing the first detection means 30A, it is possible to effectively avoid the occurrence of door pinching regardless of the width (thickness) of the belongings.

  Further, as in the present embodiment, the first detection unit 30A preferably includes two-dimensional sensors 33 and 34 that scan light two-dimensionally. Thereby, compared with the case where a three-dimensional three-dimensional sensor is installed, for example, a structure can be simplified and manufacturing cost can be reduced.

  Further, as in the present embodiment, the platform door device 3A preferably includes a guide unit 35 that informs the passenger using at least one of light and sound when the first detection unit 30A detects an object. Thereby, a passenger can be alerted and an accident can be prevented more effectively.

(First modification)
FIG. 7 is a perspective view showing a configuration of a platform door device 3B as a first modification of the embodiment. The difference between the platform door device 3B and the platform door device 3A according to the above embodiment is the configuration of the first detection means. In the first detection means 30 </ b> B of this modification, the two-dimensional sensor 36 is arranged only in one door pocket 31, and no sensor is arranged in the other door pocket 32. The two-dimensional sensor 36 scans light in a two-dimensional manner, for example, and detects reflected light from the object with a phototube or the like. The detection area C3 of the two-dimensional sensor 36 passes through the area between the aerial plane P1 and the aerial plane P2 shown in FIG. 6 without being shielded by the movable doors 4 and 5. The two-dimensional sensor 36 is arranged below (closer to the platform surface) than the two-dimensional sensor 33 of the above embodiment, and the central angle of the fan-shaped detection region C3 is greater than the central angle of the detection region C1 of the two-dimensional sensor 33. Is also big.

  According to the first detection means 30B of this modification example, the first detection means 30B exists in the region (including the gap B) between the imaginary plane P1 and the imaginary plane P2, similarly to the first detection means 30A of the above embodiment. An object can be suitably detected. Therefore, occurrence of door pinching can be effectively avoided. Further, it is possible to prevent passengers from leaning on the movable door 4 and being caught in the door pocket 31 on the movable door 4 side.

(Second modification)
FIG. 8 is a perspective view showing a configuration of a platform door device 3C as a second modification of the embodiment. The difference between the platform door device 3C and the platform door device 3A according to the embodiment is the configuration of the first detection means. The first detection means 30C of the present modification has a plurality (four in the figure) of one-dimensional sensors 37. Each one-dimensional sensor 37 has a light emitting unit 37a and a light receiving unit 37b arranged to face each other. The light emitting unit 37a linearly irradiates the light L1 toward the light receiving unit 37b. The light receiving unit 37b detects the light L1 from the light emitting unit 37a. The optical path (that is, the detection region) of the light L1 is included in the region between the aerial plane P1 and the aerial plane P2 shown in FIG. If an object is present in this region, the light L1 is shielded and the light receiving unit 37b cannot detect the light L1. Thereby, it is detected that an object exists in the region.

  In this modification, a plurality of one-dimensional sensors 37 are arranged in the vertical direction. The arrangement form of the one-dimensional sensor 37 is not limited to such a form, and the one-dimensional sensor 37 may be arranged at an arbitrary position. Also, the number of one-dimensional sensors 37 is arbitrary, and may be only one, for example.

  According to the first detection means 30C of this modification example, the first detection means 30C exists in the region (including the gap B) between the imaginary plane P1 and the imaginary plane P2, similarly to the first detection means 30A of the above embodiment. An object can be suitably detected. Therefore, occurrence of door pinching can be effectively avoided, and it is possible to prevent the passenger from leaning on the movable door 4 and being caught in the door pocket 31 on the movable door 4 side. Further, as in this modification, the first detection unit may include a one-dimensional sensor 37 that linearly irradiates the light L1. Thereby, a structure can be simplified more compared with both the case where a two-dimensional sensor is installed, and the case where a three-dimensional sensor is installed, and manufacturing cost can be further reduced.

(Third Modification)
FIG. 9 is a top view showing a configuration of a platform door device 3D as a third modification of the embodiment. The platform door device 3D further includes a second detection means 60 in addition to the configuration of the platform door device 3A according to the above embodiment. The second detection means 60 is a region opposite to the vehicle C with respect to the third aerial plane P3 including the side surface 5b opposite to the reference line SL among the both side surfaces 5a and 5b of the movable door 5 ( That is, an object existing in the platform P side area) is detected. The second detection unit 60 may be configured by any one of a one-dimensional sensor and a two-dimensional sensor, and may have any configuration among, for example, the first detection units 30A to 30C described above. However, the detection area C4 of the second detection means 60 is included in the area opposite to the vehicle C with respect to the aerial plane P3. Preferably, the detection region C4 may be along the aerial plane P3, and may be close to the aerial plane P3 with a slight gap.

  Here, an aerial plane P4 including side surfaces 31a and 32a opposite to the vehicle C of the door door pockets 31 and 32 is defined. It is desirable that no protrusions that hinder passengers' passage are provided in the region opposite to the vehicle C (platform P side) with respect to the aerial plane P4. Therefore, it is preferable that the second detection means 60 is disposed in a region on the vehicle C side with respect to the aerial plane P4.

  According to this modified example, not only the movable door 4 but also the movable door 5 (that is, the movable door on the platform side with respect to the reference line SL) is prevented from leaning on the passenger or being caught in the door pocket 32 on the movable door 5 side. Can be achieved. In the present modification, the second detection means 60 is applied to the platform door device 3A of the above embodiment. However, the second detection means is applied to any one of the platform door devices 3B, 3C of the first and second modifications. 60 may be applied.

(Fourth modification)
FIG.10 and FIG.11 is a top view which respectively shows the structure of the platform door apparatuses 3E and 3F as a 4th modification of the said embodiment. In the home door apparatus 3E shown in FIG. 10, the relative positions in the first direction A1 between the distal end portion 41b of the movable door 4 and the distal end portion 51b of the movable door 5 are mutually in the state where the movable doors 4 and 5 are closed. Match. In other words, the tip portions 41b and 51b are flush with each other. In this case, the clearance between the door tips 41 and 51 viewed from the normal direction of the imaginary planes P1 and P2 (that is, the direction A2) is zero. In the home door device 3F shown in FIG. 11, when the movable doors 4 and 5 are closed, the position of the distal end portion 41b in the first direction A1 is relative to the position of the distal end portion 51b in the same direction. It is located on the 32 side. In this case, the door end portions 41 and 51 of the movable doors 4 and 5 overlap each other when viewed from the normal direction of the imaginary planes P1 and P2 (ie, the direction A2). FIG. 11 shows the overlapping length D2 in the first direction A1.

  According to the present modification, the gap between the door tip portion 41 and the door tip portion 51 as seen from the passenger side can be eliminated, so that the drop of passengers on the platform P and the contact with the train can be more effectively performed. It is possible to prevent and further improve the safety of passengers. In this modification, the case where the door end portions 41 and 51 overlap each other when viewed from the normal direction of both of the two aerial planes P1 and P2 is illustrated, but when the aerial planes P1 and P2 are not parallel to each other, The door tips only have to overlap each other when viewed from the normal direction of one of the aerial planes P1 and P2.

  The platform door device according to the present invention is not limited to the above-described embodiment, and various other modifications are possible. For example, in the embodiment and each modification, the right movable door 4 as viewed from the passenger side is disposed on the vehicle C side with respect to the reference line SL, and the left movable door 5 as viewed from the passenger side is on the reference line SL. The left movable door is disposed on the vehicle C side with respect to the reference line SL, and the right movable door is disposed on the opposite side of the vehicle C with respect to the reference line SL. May be arranged. Moreover, in the said embodiment and each modification, although the form which the movable doors 4 and 5 open and close in the left-right direction along the surface of the platform P was illustrated, this invention has a pair of movable door perpendicular | vertical to the surface of a platform. It can also be applied to a platform door device that opens and closes in the direction. Moreover, the platform door apparatus of this invention may further be equipped with a high-order control apparatus with respect to the 1st, 2nd detection means and guide means. When the first and second detection means detect an object, the detection signal is transmitted to the control device, the control signal is controlled by the control device, and the guidance means is instructed. The operations of the detecting means and the guiding means can be suitably controlled.

  DESCRIPTION OF SYMBOLS 1 ... Home door system, 3A-3F ... Home door apparatus, 4, 5 ... Movable door, 30A-30C ... 1st detection means 31, 32 ... Door door for home doors, 33, 34 ... Two-dimensional sensor, 35 ... Guide means 36 ... Two-dimensional sensor 37 ... One-dimensional sensor 37a ... Light emitting part 37b ... Light receiving part 41, 51 ... Door end part, 41a, 51a ... Side, 41b, 51b ... Tip part, 60 ... Second Detection means, A1 ... first direction, A2 ... second direction, B ... gap, C ... vehicle, C1-C4 ... detection area, L1 ... light, P ... platform, P1-P4 ... imaginary plane, SL ... Reference line.

Claims (6)

A platform door device installed at a position corresponding to a vehicle entrance on a platform of a railway station,
A pair of movable doors openable and closable in a first direction ;
First detection means ,
With respect to the reference line along the first direction, the door tip portion of one of the movable doors is disposed on the vehicle side, and the door tip portion of the other movable door is disposed on the opposite side of the vehicle,
A first aerial plane including a side surface on the reference line side of the door part of the one movable door, and a second aerial plane including a side surface on the reference line side of the door part of the other movable door. Are spaced apart from each other in a direction intersecting the first direction ,
The platform door device according to claim 1, wherein the first detecting means detects an object existing in a region between the first aerial plane and the second aerial plane . The platform door device according to claim 1 , wherein the first detection unit includes a two-dimensional sensor that scans light in a two-dimensional manner. The platform door device according to claim 1 , wherein the first detection unit includes a one-dimensional sensor that linearly irradiates light. When the first detecting means detects the object, and further comprising a guiding means for notifying passengers using light, sound, and at least one of an image, any of claims 1 to 3, The platform door device according to claim 1. The apparatus further comprises second detection means for detecting an object existing in a region opposite to the vehicle with respect to a third aerial plane including a side surface opposite to the reference line of the other movable door. The platform door apparatus as described in any one of Claims 1-4 characterized by these. Wherein the door end portion of the pair of movable doors when viewed from at least one of the normal direction of the first and second imaginary planes overlap each other, one of the claims 1 to 5 one The platform door device according to the item.

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