JP2020117007A - Platform fence system - Google Patents

Abstract

To provide a platform fence system which has a simple constitution and opens movable fences that face doors of stopping cars.SOLUTION: A platform fence system 1 comprises a movable fence 2, a drive unit 3, a control unit 4, an on-rail detection sensor 5 and an obstacle sensor 6. The on-rail detection sensor 5 detects a first car F stopping in a subscribed position range L. For the obstacle sensor 6, an obstacle detection area 61 to detect an object between the movable fence 2 and a platform edge end E and a vehicle detection area 62 to detect the presence of a car not only in a track side of the platform edge end E but also in a track side front of the movable fence 2, are set. When the on-rail detection sensor 5 detects the first car F stops in the subscribed position range L, the control unit 4 determines the number of formation cars based on the presence/absence of cars detected by plural obstacle sensors 6 and outputs a permission to open the movable fences 2 that face doors of a stopping car to the drive unit 3. As such, the number of formation cars is determined without increasing sensors.SELECTED DRAWING: Figure 4

Description

The present invention relates to a home fence system in a railway station.

At railway stations, there is a platform (platform) with a platform fence. The home fence is also called a safety fence, and is provided near the edge of the platform on the platform so as to extend in the longitudinal direction of the platform. In platforms where trains stop, the platform fence has a movable fence that can be opened and closed. Trains are usually operated as a formation composed of multiple vehicles. The movable fence is provided corresponding to each door of the stopped vehicle. The housing of the device that opens and closes the movable fence also serves as part of the fixed fence. The movable fence includes a movable platform fence and a lifting platform fence. In the movable platform fence, a door (fence) called a platform door opens and closes in the lateral direction (see, for example, Patent Document 1). In the elevating platform fence, the rope (fence) rises and opens, and the rope descends and closes (see, for example, Patent Document 2).

In platforms where trains with different numbers of cars (the number of cars that make up one train) stop, it is necessary to open only the movable fence at the position where the cars stop.

2. Description of the Related Art Conventionally, there is known a home door system that detects a vehicle by a vehicle detection sensor, determines the number of cars, and permits opening and closing of a home door (fence) according to the number of cars (see Patent Document 1). .. This vehicle detection sensor is an ultrasonic sensor arranged on the track side of the door pocket for the home door (paragraphs [0022] and [0023] of the same document, see FIGS. 4 and 5).

However, in such a home door system, it is necessary to increase the number of vehicle detection sensors as the number of types of formations increases, so that the hardware configuration of the system becomes complicated and the cost increases. In addition, since this vehicle detection sensor detects the vehicle body in front of the door pocket for the home door, even if the vehicle detection sensor detects the vehicle body when the train stop position is displaced, the vehicle is located at a position corresponding to the home door. There is not always a door.

JP, 2013-129399, A JP, 2013-199225, A

The present invention is to solve the above problem, and even in a platform where trains with different numbers of trains stop, a platform system that opens a movable fence corresponding to the door of the stopped vehicle with a simple configuration. The purpose is to provide.

The home fence system of the present invention includes a movable fence provided on the platform corresponding to each door of a vehicle that stops, a drive unit that opens and closes each movable fence, and a control unit that controls the plurality of drive units. And an on-rail detection sensor for detecting that the leading vehicle has stopped in a predetermined position range, and an object between each movable fence and the edge of the platform for each movable fence. In order to detect the presence or absence of a vehicle on the track side of the movable fence on the track side from the platform edge, the obstacle sensor for each movable fence is provided with an obstacle sensor in which an obstacle detection area is set. The vehicle detection area is further set, and the control unit, based on the presence or absence of the vehicle detected by the plurality of obstacle sensors, when the on-rail detection sensor detects that the leading vehicle has stopped in a predetermined position range. It is characterized in that the number of train sets is discriminated, and permission to open the movable fence corresponding to the door of the stopped vehicle is output to the drive unit according to the discriminated number of train sets.

In this home fence system, the control unit stores in advance information on the possibility of the number of cars of the train to be stopped, and an obstacle to the movable fence corresponding to the rearmost door of the train in the possibility of the number of cars of each train. If there is a sensor and a movable fence behind the sensor, it is preferable to determine the number of cars on the basis of the presence or absence of a vehicle detected by an obstacle sensor for the movable fence.

In this home fence system, the control unit may determine the number of cars on the basis of the presence or absence of a vehicle detected by all the obstacle sensors.

In this home fence system, there is an alarm unit for issuing an alarm, and when an object is detected in the obstacle detection area when the movable fence is closed, the control unit notifies the alarm unit of the alarm. Preferably.

In this home fence system, it is preferable that the obstacle sensor is a 3D sensor that detects an object in a predetermined space area.

In this home fence system, it is preferable that the on-rail detection sensor is a distance measurement sensor provided on the ground side.

According to the platform fence system of the present invention, an obstacle sensor provided for detecting an object between the movable fence and the edge of the platform detects the presence or absence of a vehicle on the track side front surface of the movable fence. The number of cars can be determined without increasing the number of cars, and the movable fence corresponding to the door of the stopped vehicle can be opened.

The block block diagram of the platform fence system which concerns on one Embodiment of this invention. Explanatory drawing which shows operation|movement of the on-rail detection sensor in the same system. FIG. 3 is a perspective view showing an obstacle sensor and an obstacle detection area in the system. The perspective view which shows the vehicle detection area of the obstacle sensor.

A home fence system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. As shown in FIG. 1, the home fence system 1 includes movable fences 2a, 2b, 2c,..., 2d, 2e, driving units 3a, 3b, 3c,..., 3d, 3e, and a control unit 4. The movable fences 2a, 2b, 2c,..., 2d, 2e are provided on the platform corresponding to the respective doors of the stopped vehicle. The drive units 3a, 3b, 3c,..., 3d, 3e open and close the movable fences 2a, 2b, 2c,. The control unit 4 controls the plurality of drive units 3a, 3b, 3c,..., 3d, 3e. The movable fences 2a, 2b, 2c,..., 2d, 2e are collectively referred to as the movable fence 2. The drive units 3a, 3b, 3c,..., 3d, 3e are collectively referred to as the drive unit 3. The numbers of the movable fences 2 and the driving units 3 are not limited.

The home fence system 1 includes an on-rail detection sensor 5. Further, the home fence system 1 includes obstacle sensors 6a, 6b, 6c,..., 6d, 6e for the movable fences 2a, 2b, 2c,..., 2d, 2e, respectively. The obstacle sensors 6a, 6b, 6c,..., 6d, 6e are collectively referred to as the obstacle sensor 6.

As shown in FIG. 2, the on-rail detection sensor 5 is a sensor for detecting that the leading vehicle F has stopped in a predetermined position range L.

As shown in FIG. 3, the obstacle sensor 6 is a sensor in which an obstacle detection area 61 for detecting an object between the movable fence 2 and the home edge E is set.

As shown in FIG. 4, a vehicle detection area 62 is further set in the obstacle sensor 6 for each movable fence 2. The vehicle detection area 62 is set on the track side (on the right side in FIG. 4) from the platform edge E to detect the presence or absence of a vehicle on the track-side front surface of the movable fence 2.

Each component of the home fence system 1 will be described in more detail. The home fence system 1 is installed at a railway station. In this embodiment, the movable fence 2 is movable, and the platform door opens and closes laterally (see FIG. 4 ). The casing of the drive unit 3 also serves as a fixed fence. The movable fence 2 and the fixed fence are provided in the vicinity of the platform edge E of the platform P so as to extend in the platform longitudinal direction.

The control unit 4 has a CPU (central processing unit), a memory, etc., and operates by executing a program (see FIG. 1).

The on-rail detection sensor 5 is a distance measuring sensor provided on the ground side, and is provided outside the building limit. The building limit is a limit on orbit that limits the construction of a building (see JIS E1001:2001). The distance measuring sensor measures the distance to the leading vehicle. The measurement result is output to the control unit 4. When the train enters the station, the leading vehicle F reflects the laser light emitted by the on-rail detection sensor 5, and the distance to the leading vehicle F is measured (see FIG. 2). When the distance does not change, it is detected that the leading vehicle F has stopped, and the value of the distance detects that the leading vehicle F has stopped in the predetermined position range L. When the leading vehicle F is stopped in the predetermined position range L, the train having the leading vehicle is in the state of being at the station. Since the sensor detects the state, it is called an on-rail detection sensor.

The obstacle sensor 6 is a 3D sensor that detects an object in a predetermined space area, and is provided on the track side of the casing of the drive unit 3 (see FIG. 3 ). The predetermined space area is a rectangle between the movable fence 2 and the home edge E in a plan view, and the height range is a rectangular parallelepiped from the home surface to the upper end of the movable fence 2 in general. The 3D sensor is, for example, a TOF (Time of Flight) system, and detects an object in a predetermined space region by performing distance measurement while scanning a laser. The method of the 3D sensor is not limited to this. The obstacle sensor 6 in which the obstacle detection area 61 is set is basically one that the home fence system 1 should have as a safety device for ensuring the safety of passengers.

The home fence system 1 has an alarm unit 7 for alarming (see FIG. 1). The notification unit 7 is a device that notifies a staff member of an alarm by light or sound. When an object is detected in the obstacle detection area 61 when the movable fence 2 is closed, the control unit 4 causes the notification unit 7 to give an alarm. This allows the attendant to know that passengers and baggage are left behind between the movable fence 2 and the platform edge E.

In the obstacle sensor 6 of this embodiment, two detection areas, that is, an obstacle detection area 61 and a vehicle detection area 62 are set (see FIG. 4). The detection area of the 3D sensor is set by firmware. Therefore, setting the vehicle detection area 62 in the obstacle sensor 6 in which the obstacle detection area 61 is set is performed by rewriting the firmware of the obstacle sensor 6. It should be noted that the obstacle sensor 6 is set with one detection area including the obstacle detection area 61 and the vehicle detection area 62, and the control unit 4 determines whether the object is the obstacle detection area 61 or the object detection area depending on the position of the detected object. It may be determined which of the vehicle detection areas 62 the vehicle is in. Since the vehicle detection area 62 is set on the track side from the home edge E, the vehicle is detected in this area. In that case, if the on-rail detection sensor 5 detects that the leading vehicle F has stopped in the predetermined position range L, there is a vehicle door in the vehicle detection area 62, and the front side of the movable fence 2 on the track side has the door. There is a door.

The operation of the home fence system 1 configured as described above will be described. When the on-rail detection sensor 5 detects that the leading vehicle F has stopped in the predetermined position range L (see FIG. 2 ), the control unit 4 determines whether or not there is a vehicle detected by the plurality of obstacle sensors 6 (see FIG. 4), the number of cars is determined, and permission to open the movable fence 2 corresponding to the door of the stopped vehicle is output to the drive unit 3 according to the determined number of cars (see FIG. 1).

In the present embodiment, the control unit 4 stores in advance information on the possibility of the number of cars of the stopped vehicle. The control unit 4 has an obstacle sensor 6 for the movable fence 2 corresponding to the rearmost door of the formation in the possibility of the number of cars for each formation, and an obstacle sensor 6 for the movable fence 2 one behind the obstacle sensor 6 for obstacles to the movable fence 2. Based on the presence/absence of a vehicle detected by the object sensor 6, the number of cars is determined.

For example, it is assumed that there are cases where the number of vehicles that stop at the station is four and there are six vehicles. Since the possibility of the number of trains of the stopped train is 4 and 6, the information, that is, "4" and "6" is stored in the control unit 4 in advance. When the obstacle sensor 6 for the movable fence 2 corresponding to the rearmost door of the four-car train detects "there is a vehicle" and the obstacle sensor 6 for the movable fence 2 one behind that detects "there is no vehicle". The control unit 4 determines that the number of knitting cars is four. Then, the control unit 4 outputs to the drive unit 3 permission to open the movable fence 2 corresponding to the door of the vehicle of the four-car train that is stopped.

Further, the obstacle sensor 6 for the movable fence 2 corresponding to the rearmost door of the four-car train detects "there is a vehicle", and the obstacle sensor 6 for the movable fence 2 one behind that also detects "there is a vehicle". If so, the control unit 4 does not determine that the number of knitting cars is four. Then, the obstacle sensor 6 for the movable fence 2 corresponding to the rearmost door of the 6-car train detects "there is a vehicle", and if there is no movable fence 2 behind it, the control unit 4 determines the number of cars. Is determined to be 6 cars. Then, the control unit 4 outputs to the drive unit 3 permission to open the movable fence 2 corresponding to the door of the vehicle of the 6-car train that is stopped. Note that the above-mentioned four cars and six cars are examples, and the present invention is not limited to these.

As a modified example of the present embodiment, the control unit 4 may determine the number of train sets based on the presence/absence of a vehicle detected by all obstacle sensors 6.

For example, the obstacle sensor 6 for the movable fence 2 corresponding to the doors of the first to fourth vehicles from the head detects "there is a vehicle", and the obstacle sensor 6 for the movable fence 2 one behind is "no vehicle". When detecting, the control unit 4 determines that the number of knitting cars is four. Then, the control unit 4 outputs to the drive unit 3 permission to open the movable fence 2 corresponding to the door of the vehicle of the four-car train that is stopped.

Further, when the obstacle sensors 6 for all the movable fences 2 detect “there is a vehicle”, the control unit 4 determines that the number of cars is the maximum. Then, the control unit 4 outputs a permission to open all the movable fences 2 to the drive unit 3.

When some of the obstacle sensors 6 have a failure, the failure detection is performed because the vehicle detection result obtained by the plurality of obstacle sensors 6 is an impossible pattern. The operation of the platform system 1 when a failure is detected is predetermined according to the pattern of the detection result. For example, when the obstacle sensor 6 for one movable fence corresponding to the door of the intermediate vehicle detects “vehicle not present” and the other obstacle sensors 6 detect “vehicle present”, the “vehicle not present” is detected. The detected obstacle sensor 6 is out of order, and may be regarded as “vehicle present”.

As described above, according to the home fence system 1 according to the present embodiment, the obstacle sensor 6 provided for detecting an object between the movable fence 2 and the platform edge E is provided on the orbit side front surface of the movable fence 2. Since the presence or absence of a vehicle is detected, the number of cars can be determined without increasing the number of sensors, and the movable fence 2 corresponding to the door of the stopped vehicle can be opened.

The control unit 4 stores in advance information about the possibility of the number of trains of the stopped vehicle, and the obstacle sensor 6 for the movable fence 2 corresponding to the rearmost door of the train in the possibility of each number of trains, and the obstacle sensor 6. If there is one movable fence 2 at the rear, the number of formation cars is determined based on the presence or absence of the vehicle detected by the obstacle sensor 6 for the movable fence 2, so the number of obstacle sensors 6 for detecting the vehicle should be reduced. And the processing in the system is simplified.

As a modified example, if the control unit 4 determines the number of cars on the basis of the presence or absence of a vehicle detected by all the obstacle sensors 6, it is possible to easily deal with various numbers of cars on the train.

The present invention is not limited to the configurations of the above-described embodiments, and various modifications can be made without departing from the spirit of the invention. For example, the movable fence 2 may be an elevating type in which a rope as a fence moves up and down.

1 Home fence system 2, 2a, 2b, 2c, 2d, 2e Movable fence 3, 3a, 3b, 3c, 3d, 3e Drive unit 4 Control unit 5 Presence line detection sensor 6, 6a, 6b, 6c, 6d, 6e Obstacle Sensor 7 Notification unit

Claims (6)

A home fence system having a movable fence provided on a platform corresponding to each door of a vehicle to be stopped, a drive unit that opens and closes each movable fence, and a control unit that controls the plurality of drive units. ,
An on-rail detection sensor for detecting that the leading vehicle has stopped in a predetermined position range,
For each movable fence, an obstacle sensor in which an obstacle detection area for detecting an object between the movable fence and the edge of the platform is set,
The obstacle sensor for each movable fence, the track side from the edge of the platform, the vehicle detection area for detecting the presence or absence of the vehicle on the track side front of the movable fence is further set,
When the on-rail detection sensor detects that the leading vehicle has stopped in a predetermined position range, the control unit determines the number of vehicles on the basis of the presence or absence of vehicles detected by the plurality of obstacle sensors, and determines A home fence system, which outputs a permission to open a movable fence corresponding to a door of a stopped vehicle to the drive unit according to the number of trains. The control unit stores in advance information on the possibility of the number of trains of the stopped vehicle, and an obstacle sensor for the movable fence corresponding to the rearmost door of the train in the possibility of each number of trains, and one of the obstacle sensors. The home fence system according to claim 1, wherein, if there is a movable fence behind, the number of cars of the formation is determined based on the presence or absence of a vehicle detected by an obstacle sensor for the movable fence. The home fence system according to claim 1, wherein the control unit determines the number of cars on the basis of the presence or absence of a vehicle detected by all the obstacle sensors. It has an informing section for informing an alarm,
4. The control unit causes the notification unit to issue an alarm when an object is detected in the obstacle detection region while the movable fence is closed. Home fence system described in. The home fence system according to any one of claims 1 to 4, wherein the obstacle sensor is a 3D sensor that detects an object in a predetermined space area. The platform fence system according to any one of claims 1 to 5, wherein the on-rail detection sensor is a distance measurement sensor provided on the ground side.

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