JP7373329B2 - Gap step reduction system - Google Patents

Description

The present invention relates to a clearance/level difference reduction system for reducing the gap and level difference between the edge of a station platform and a vehicle entrance/exit.

As shown in FIG. 8, between the station platform 2 (platform) and the vehicle 3, specifically between the platform edge 211 and the vehicle entrance/exit 31, there is a horizontal gap DX and a height difference DY. This makes it difficult for wheelchair users to get on and off by themselves. The station is equipped with a gangboard that connects the edge of the platform 21 and the vehicle entrance 31, and when a wheelchair user gets on or off the train, station staff temporarily set up a gangboard each time a wheelchair user gets on or off the train to assist them. . If wheelchair users require assistance from station staff, they must notify the station in advance of their boarding station, alighting station, and the time they will use the wheelchair. When station staff receive a notification, they will be required to perform duties other than the normal work schedule, such as preparing for the platform, waiting time, responding, etc. In addition, there is a possibility that wheelchair users may be inconvenienced due to mishearing of the declaration contents or miscommunication between boarding and disembarking stations. Therefore, it is strongly desired to improve the usage environment by eliminating the gap DX and the step DY so that a wheelchair user can get on and off the vehicle independently.

Note that the platform edge 211 is the edge of the platform 2 on the track side. The vicinity of the platform edge 211 on the platform 2 is the platform edge 21, which is an area where movement in the longitudinal direction of the platform is not preferable for safety reasons. For example, it is recommended that dotted blocks 212 (see Non-Patent Document 1) be installed on the platform 2 in order to draw attention to the platform edge 21. The dotted blocks 212 are continuously laid in parallel to the railroad tracks. When the dotted blocks 212 are laid on the platform 2, the platform edge 21 is between the dotted blocks 212 and the platform edge 211.

Conventionally, there have been known movable step devices (see Patent Document 1) and boarding aid devices (see Patent Document 2) that are permanently installed on platforms to reduce gaps and steps between the edge of the platform and the vehicle entrance/exit. There is. In such a device, the step slides toward the vehicle to reduce the gap, and the tip side of the step rises to reduce the level difference.

Incidentally, the shape and floor height of the vehicle 3 vary depending on the vehicle type. For example, regarding the height of the floor of the vehicle 3 from the rail, there are vehicles that are 1200 mm ("103 series" trains) and 1120 mm ("225 series" trains, "321 series" trains), etc., and the difference is It is 80mm. Furthermore, the vehicle 3 is displaced in the range of +10 mm and -20 mm in the height direction due to wheel wear and the air spring difference in the bogie. Furthermore, according to maintenance standards, the track can be displaced within a range of plus or minus 20 mm in the height direction and the sleeper length direction (lateral direction). Therefore, the gap DX and step DY between the platform edge 211 and the vehicle entrance/exit 31 vary by several tens of millimeters, mainly depending on the vehicle type. For this reason, even if the movable step device or the getting-on/off assistance device described above is used, it is not possible to appropriately reduce the uneven gaps DX and step differences DY.

Japanese Patent Application Publication No. 2014-210555 Japanese Patent Application Publication No. 2002-37055

JIS T 9251:2014 "Guidelines for design considering the elderly and disabilities - Shape, dimensions and arrangement of protrusions such as blocks for guiding visually impaired persons"

The present invention is intended to solve the above-mentioned problem, and aims to reduce the gaps and steps even if there are variations in the gaps and steps between the edge of a station platform and the vehicle entrance/exit.

The gap and level difference reduction system of the present invention is a system for reducing the gap and level difference between the platform edge of a station and the vehicle boarding/exit. a detection section for detecting the amount; a slide elevating section provided at the edge of the platform corresponding to the door position of the vehicle stopping at the station; and a control section controlling the movement of the slide elevating section; The slide elevating part has an extended state in which it projects toward the vehicle and the tip side is raised, and a stored state in which it does not project out, and the amount of extension and the amount of rise of the tip side in the extended state are adjustable, The control unit is characterized in that the control unit adjusts the overhang amount and the amount of rise in the overhang state based on the detected gap amount and step amount.

This gap level difference reduction system further includes a storage unit storing shoulder shape data of a vehicle for each vehicle type and the gap amount and level difference amount corresponding to the vehicle type, and the detection unit is configured to detect the shape of the shoulder part of the vehicle. It is preferable that the control unit adjusts the amount of protrusion and the amount of rise based on the amount of gap and amount of step corresponding to the detected shape of the shoulder portion.

In this gap level difference reduction system, the detection unit emits a laser beam for distance measurement, and detects the shape of the shoulder of the vehicle by scanning the laser beam on a scanning plane orthogonal to the longitudinal direction of the platform. It is preferable to do so.

In this gap level difference reduction system, the detection unit detects the position of the floor edge of the vehicle entrance, and the control unit adjusts the gap amount and level difference amount derived from the detected position of the floor edge. Based on this, the amount of protrusion and the amount of rise may be adjusted.

In this gap level difference reduction system, it is preferable that the detection unit detects the position of the edge of the floor surface by emitting a laser beam for distance measurement and scanning the emitted laser beam in the vertical direction.

In this gap step reduction system, the control unit receives information from a train detection system that detects that a vehicle is stopped at a station, and when information that a vehicle is stopped at a station is input, Enables the slide elevating section to transition from the stored state to the extended state, and prohibits transition from the stored state to the extended state when information that the vehicle is stopped at a station is not input. It is preferable.

In this gap level difference reduction system, the control unit receives information from a train detection system that detects that a vehicle is stopped at a station and the stopping position of the vehicle, and that the control unit detects that the vehicle is stopped at the station. Also, when information indicating that the vehicle's stopping position is within a predetermined range is input, the slide elevating section is enabled to transition from the stowed state to the extended state; otherwise, it is enabled to transition from the stowed state to the extended state. It is preferable to prohibit the transition from the state to the overhang state.

According to the gap level difference reduction system of the present invention, the control unit adjusts the amount of extension and the amount of rise in the extended state of the slide elevating unit based on the amount of gap and amount of level difference detected using the detection unit. Even if there are variations in the gap and level difference between the edge of the station platform and the vehicle entrance/exit, the gap and level difference can be reduced.

FIG. 2 is a plan layout diagram of a slide elevating section in a gap step reduction system according to an embodiment of the present invention. A block configuration diagram of the gap level difference reduction system. FIG. 6 is a vertical cross-sectional view showing the extended state of the slide elevating part in the gap level difference reduction system. FIG. 7 is a vertical cross-sectional view showing the storage state of the slide elevating section in the gap level difference reduction system. FIG. 3 is an elevational view showing the arrangement of a detection unit in the gap level difference reduction system. FIG. 7 is an elevational view showing a modification of the arrangement of the detection unit in the gap level difference reduction system. FIG. 7 is an elevational view showing another modification of the arrangement of the detection unit in the gap level difference reduction system. An elevational view showing a gap and a step between the platform edge and the vehicle entrance/exit.

A gap level difference reduction system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 7. As shown in FIG. 1, the gap/level difference reduction system 1 is a system for reducing the gap and level difference between the platform edge 211 of the station platform 2 and the vehicle entrance/exit 31 of the vehicle 3. As shown in FIG. 2, the gap height difference reduction system 1 includes a detection section 4, a gap height difference reduction machine 5, and a control section 6. The gap level difference reducing machine 5 has a slide elevating part 51 and a driving part 52, and is provided at the platform edge part 21 corresponding to the door position of the vehicle 3 stopping at the station. That is, the slide elevating section 51 is provided along with the drive section 52 at the platform edge section 21 in correspondence with the door position of the vehicle 3 stopping at the station.

The slide elevating portion 51 of the gap/level difference reduction device 5 is a plate-like member that reduces the gap and level difference between the platform edge 211 and the vehicle entrance/exit 31. The drive section 52 is a device that drives the slide elevating section 51. The control section 6 controls the movement of the slide elevation section 51 via the drive section 52 . The control unit 6 is, for example, a computer or a programmable controller, has a CPU, a memory, an interface, etc., and operates by executing a program stored in the memory with the CPU.

As shown in FIG. 3, the slide elevating portion 51 has an extended state in which it projects (slides) toward the vehicle 3 and its tip side is raised, and a stored state in which it does not project as shown in FIG. In this embodiment, in the extended state, the slide elevating portion 51 extends beyond the building limit 22 and does not intrude into the vehicle limit 34 (see FIG. 3). If the slide elevating portion 51 does not extend to the vehicle passing through the station, the slide elevating portion 51 may be configured to extend to the inside of the vehicle limit 34. In the stored state, the slide elevating section 51 is stored within the construction limit 22 (see FIG. 4). The building limit 22 defines the amount (dimensions) of the minimum necessary free space outside the vehicle limit 34 in order to ensure the safety of driving the vehicle 3 (JIS E 1001:2001 "Railway - Track (See “Terminology”). The vehicle limits 34 are horizontal and vertical limits that no part of the vehicle 3 must exceed when the vehicle 3 is stopped on the track.

The amount of extension of the slide elevating portion 51 in the extended state and the amount of rise on the tip side can be adjusted. The detection unit 4 is a device for detecting the amount of gap and the amount of step between the platform edge 211 and the vehicle entrance/exit 31 (see FIG. 2). The control unit 6 adjusts the amount of protrusion and the amount of rise of the slide elevating portion 51 in the extended state based on the detected gap amount and step amount.

The drive unit 52 has a ball screw type linear motion mechanism that adjusts the amount of extension of the slide elevating portion 51, and an X-link type elevating mechanism that adjusts the amount of elevation on the tip side (see FIGS. 3 and 4). The drive unit 52 has a ball screw 521 inside the housing, and by rotating the ball screw 521, slides the slide elevating unit 51 and adjusts the amount of protrusion. Further, the drive section 52 has X-shaped links 522 and 523 that support the slide elevating section 51, and a ball screw 524 that changes the distance between the lower ends of the links 522 and 523. The drive unit 52 rotates the ball screw 524 to expand and contract the links 522 and 523 in the vertical direction, thereby adjusting the amount of elevation of the tip end of the slide elevation unit 51.

The gap level difference reduction system 1 further includes a storage unit 7 (see FIG. 2). The storage unit 7 stores vehicle shoulder shape data for each vehicle type, as well as the gap amount and step amount corresponding to the vehicle type.

The storage unit 7 is, for example, a memory built into the control unit 6 or a memory or storage device externally attached to the control unit 6.

As shown in FIG. 5, the detection unit 4 detects the shape of the shoulder portion 33 of the vehicle 3. In this embodiment, the detection unit 4 emits a laser beam L for distance measurement, and scans the laser beam L on a scanning plane perpendicular to the longitudinal direction of the platform, thereby detecting the shape of the shoulder portion 33 of the vehicle 3 ( cross-sectional shape). The control section 6 refers to the storage section 7 and adjusts the amount of protrusion and the amount of rise of the slide elevating section 51 based on the amount of gap and the amount of step difference corresponding to the detected shape of the shoulder section 33 .

The detection unit 4 is, for example, a two-dimensional scanning optical distance sensor (two-dimensional sensor). A two-dimensional scanning optical distance sensor scans a plane with a laser beam, measures the distance to an object on the plane, and detects the cross-sectional shape of the object on the plane. The light emitted by the two-dimensional scanning optical distance sensor is infrared laser light. Distance measurements are performed by optical time-of-flight ranging, which is based on the time of flight of light.

As a modification of this embodiment, the vehicle entrance 31 may be detected by the detection unit 4. As shown in FIG. 6, the detection unit 4 detects the position of the floor edge 311 (step portion on the side surface of the vehicle door) of the vehicle entrance/exit 31. The control unit 6 adjusts the amount of protrusion and the amount of rise of the slide elevating portion 51 in the extended state based on the amount of gap and amount of step guided from the detected position of the floor edge 311. In this modification, the detection section 4 is provided on the lower surface of the platform edge section 21. The storage unit 7 stores shape data of the side surface of the vehicle body including the floor edge 311 as seen from the detection unit 4 . The detection unit 4 is, for example, a two-dimensional scanning optical distance sensor, and emits a laser beam L for distance measurement, and scans the laser beam L on a scanning plane orthogonal to the longitudinal direction of the platform, thereby detecting the vehicle entrance/exit. 31 is detected. Since the position of the platform edge 211 is immovable, the amount of gap and the amount of step difference are calculated using the position of the floor edge 311.

As another modification, the detection unit 4 may be attached to the platform fence. As shown in FIG. 7, the detection unit 4 is provided on the track side of the stationary part of the platform fence 23. The storage unit 7 stores shape data of the side surface of the vehicle body including the floor edge 311 as seen from the detection unit 4 . The detection unit 4 emits a laser beam L for distance measurement, and detects the position of the floor edge 311 of the vehicle entrance/exit 31 by scanning the laser beam L on a scanning plane orthogonal to the longitudinal direction of the platform. do. Note that the detection unit 4 may be provided in the gap height reduction machine 5, and may be a proximity sensor, a limit switch, a single-axis laser sensor, or the like.

In the gap level difference reduction system 1, the gap level difference reduction machine 5 is normally provided at the platform edge 21 corresponding to the position of the vehicle entrance 31 near the crew door 32 used by the conductor (see FIG. 1). In addition to the above-described configuration, the gap level difference reduction system 1 includes a conductor's operation panel/indicator light 11 and a driver's indicator light 12 (see FIG. 2). The conductor's operation panel/indicator light 11 is provided on the edge of the platform 21 near the crew door 32 used by the conductor (see FIG. 1), and receives operational input of operation commands to the control unit 6 through the operation panel. , the status signal from the control unit 6 is displayed on the indicator light (see FIG. 2). The operation commands are a command to extend the slide elevating section 51 and a command to retract it. The control section 6 detects the extended state and the retracted state of the slide elevating section 51 using a sensor provided in the drive section 52, and outputs a state signal. The status signal indicates the extended state and the retracted state of the slide elevating section 51. The driver indicator light 12 is provided at a position visible to the driver (see FIG. 1), and displays a status signal from the control unit 6 (see FIG. 2).

The operation of the gap level difference reduction system 1 configured as described above will be explained. When the vehicle 3 operated as a train stops at a station, the conductor of the train opens the crew door 32 and operates the conductor operation panel/indicator light 11 to extend the slide elevating part 51 (see FIG. 1). . The fact that the slide elevating section 51 is in the extended state is displayed on the conductor's operation panel/indicator light 11 and the driver's indicator light 12. The conductor confirms that the wheelchair user or the like has boarded and exited the train, and operates the conductor operation panel/indicator light 11 to retract the slide elevating part 51. The fact that the slide elevating section 51 is in the stored state is displayed on the conductor's operation panel/indicator light 11 and the driver's indicator light 12. In this way, assistance from station staff is not required for wheelchair users to get on and off the train.

In this embodiment, safety is enhanced using information output by the train detection system 8 (see FIG. 2). The train detection system 8 is a system that detects that the vehicle 3 is stopped at a station. When a platform door is installed on the platform 2, the platform door control system includes a train detection system 8. The gap height difference reduction system 1 utilizes such an existing train detection system 8. Note that the train detection system 8 may be newly installed for the clearance level difference reduction system 1.

Information from the train detection system 8 is input to the control unit 6 . The control unit 6 enables the slide elevating unit 51 to transition from the retracted state to the extended state when information that the vehicle 3 is stopped at a station (on-track/stop signal) is input from the train detection system 8. do. When the information that the vehicle 3 is stopped at a station is not input, the control unit 6 prohibits the slide elevating unit 51 from changing from the retracted state to the extended state. Thereby, when the vehicle 3 is not stopped at a station, even if an attempt is made to extend the slide elevating portion 51 by operating the conductor's operation panel/indicator light 11, the slide elevating portion 51 will not be in the extended state.

When a platform door is installed on the platform 2, the train detection system 8 outputs a stop position signal in addition to the on-track/stop signal. The stop position signal has information on the stop position of a vehicle stopped at a station. When a new train detection system 8 is installed for the clearance level difference reduction system 1, the train detection system 8 may have a function of outputting a stop position signal. The gap level difference reduction system 1 may further improve safety by using the track presence/stop signal and the stop position signal.

The control unit 6 receives information from a train detection system 8 that detects that the vehicle 3 is stopped at a station and the stop position of the vehicle 3. When the control unit 6 receives information indicating that the vehicle 3 is stopped at a station and that the stopping position of the vehicle 3 is within a predetermined range, the control unit 6 changes the slide elevating unit 51 from the retracted state to the extended state. transition. In other cases, the control unit 6 prohibits transition from the stored state to the extended state. As a result, if there is no vehicle entrance/exit 31 in front of the slide elevating section 51, even if you try to extend the slide elevating section 51 by operating the conductor's operation panel/indicator light 11, the slide elevating section 51 will not be able to extend. does not become a state.

As described above, according to the gap level difference reduction system 1 according to the present embodiment, the control unit 6 controls the overhang in the extended state of the slide elevating unit 51 based on the gap amount and the level difference amount detected using the detection unit 4. Since the amount and the amount of rise are adjusted, even if there are variations in the gap and level difference between the station platform edge 211 and the vehicle entrance/exit 31, the gap and level difference can be reduced.

By detecting the shape of the shoulder portion 33 of the vehicle 3 and adjusting the amount of protrusion and the amount of rise based on the amount of gap and amount of step corresponding to the shape, the edge 211 of the platform depending on the model of the vehicle 3 can be adjusted. It is possible to deal with variations in the gap and level difference between the vehicle door 31 and the vehicle entrance/exit 31.

The detection unit 4 emits a laser beam for distance measurement, scans the laser beam on a scanning plane perpendicular to the longitudinal direction of the platform, and detects the shape of the shoulder portion 33 of the vehicle 3, thereby determining the type of vehicle 3. can be determined.

By detecting the position of the floor edge 311 of the vehicle entrance/exit 31 and adjusting the amount of overhang and rise based on the amount of gap and step amount derived from the position, the edge of the platform 211 and the entrance/exit of the vehicle are adjusted. It is possible to deal with variations in the gap and level difference between 31 and 31.

The detection unit 4 emits a laser beam for distance measurement, and scans the laser beam on a scanning plane perpendicular to the longitudinal direction of the platform to detect the position of the floor edge, thereby detecting the platform edge 211 and the vehicle getting on and off. The gap and level difference between the opening 31 and the opening 31 can be more directly grasped.

When the information indicating that the vehicle 3 is stopped at a station is not input, the control unit 6 prevents the slide elevating unit 51 from changing from the retracted state to the extended state, thereby preventing the vehicle 3 from stopping. This prevents the slide elevating portion 51 from protruding at times.

When the control unit 6 receives information indicating that the vehicle 3 is stopped at a station and that the stopping position of the vehicle 3 is within a predetermined range, the control unit 6 changes the slide elevating unit 51 from the retracted state to the extended state. By enabling the transition from the stowed state to the extended state at other times, the slide elevating portion 51 can be prevented from protruding when there is no vehicle entrance/exit 31 in front of the slide elevating portion 51. is prevented.

Note that the present invention is not limited to the configuration of the embodiments described above, and various modifications can be made without changing the gist of the invention. For example, the gap and level difference reduction system 1 almost completely reduces the gap and level difference between the platform edge 211 and the vehicle entrance/exit 31 by adjusting the amount of protrusion and the amount of rise of the slide elevating part 51, that is, the gap and level difference. may be resolved.

1 Gap step reduction system 4 Detection section 5 Gap step reduction machine 51 Slide lifting section 6 Control section 7 Storage section

Claims (7)

A gap level difference reduction system for reducing the horizontal gap and height difference between the edge of a station platform and a vehicle entrance/exit,
a detection unit for detecting the amount of gap and the amount of step between the edge of the platform and the vehicle entrance;
a sliding lift section provided at the edge of the platform corresponding to the door position of the vehicle stopping at the station;
a drive unit that drives the slide elevating unit;
a control unit that controls movement of the slide elevation unit via the drive unit ,
The slide elevating portion has an extended state in which it projects toward the vehicle and a tip end thereof is raised, and a stored state in which it does not project . In the stored state, the upper surface is horizontal, and the amount of projection in the extended state The amount of rise on the tip side is adjustable,
The drive unit has a mechanism that adjusts the amount of extension by horizontally sliding the slide elevating portion, and a mechanism that adjusts the amount of rise of the tip side of the slide elevating portion,
The gap height difference reduction system is characterized in that the control unit adjusts the overhang amount and rise amount in the overhang state based on the detected gap amount and step amount. further comprising a storage unit storing shoulder shape data of the vehicle for each vehicle type and the gap amount and step amount corresponding to the vehicle type;
The detection unit detects the shape of the shoulder of the vehicle,
The gap step reduction according to claim 1, wherein the control unit adjusts the amount of protrusion and the amount of rise based on the amount of gap and amount of step corresponding to the detected shape of the shoulder. system. The detection unit detects the shape of the shoulder of the vehicle by emitting a laser beam for distance measurement and scanning the laser beam on a scanning plane perpendicular to the longitudinal direction of the platform. The gap level difference reduction system according to item 2. The detection unit detects a position of a floor edge of a vehicle entrance;
2. The gap step according to claim 1, wherein the control unit adjusts the overhang amount and the rise amount based on the gap amount and step amount derived from the detected position of the edge of the floor surface. reduction system. 5. The detection unit detects the position of the floor edge by emitting a laser beam for distance measurement and scanning the emitted laser beam in the vertical direction. Gap step reduction system. The control section receives information from a train detection system that detects that a vehicle is stopped at a station, and when information that a vehicle is stopped at a station is input, the control section controls the storage of the slide elevating section. Claims 1 to 3, characterized in that a transition from the stowed state to the extended state is enabled, and when information indicating that the vehicle is stopped at a station is not input, the transition from the stowed state to the extended state is prohibited. The gap step reduction system according to claim 5. The control unit receives information from a train detection system that detects that a vehicle is stopped at a station and the location where the vehicle is stopped, and is configured to detect whether the vehicle is stopped at the station and the location where the vehicle is stopped. is within a predetermined range, the slide elevating section is enabled to transition from the stowed state to the extended state; otherwise, the transition from the stowed state to the extended state is prohibited. The gap step reduction system according to any one of claims 1 to 5.

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