JP5023985B2 - Vehicle door safety support device - Google Patents

Description

  The present invention relates to a vehicle door safety support device, and is particularly suitable for application to a method of notifying an emergency when a foreign object is caught in a vehicle door.

In order to ensure the safety of passengers, a railway vehicle incorporates an interlock that cannot operate a train unless all vehicle doors of the vehicle being organized are detected to be closed.
Here, in confirming whether the vehicle door is in the closed state, in order to ensure safety, the output of the locking sensor that detects that the vehicle door is locked by the vehicle door locking device, and the vehicle Both signals with the output of the fully closed position sensor for detecting with the limit switch that the door is in the fully closed position are used.
In addition, a door rubber is attached to the end of the vehicle door that closes the vehicle door in order to absorb the impact when it collides with a foreign object and to prevent rain from entering the vehicle when it rains. It has been.

FIG. 6 is a block diagram showing a schematic configuration of a conventional vehicle door safety support apparatus.
In FIG. 6, a vehicle door 1 that is used by passengers to get on and off is provided on the vehicle body of a railway vehicle, and a door end rubber 2 is attached to the end of the vehicle door 1 on the closing side. The railway vehicle also includes a linear motor 3 that drives the vehicle door 1, a connecting portion 4 that connects the vehicle door 1 and the linear motor 3, a position detection unit 6 that detects the position of the vehicle door 1, and the vehicle. Detecting the closed state of the door 1 and outputting a fully closed position detection signal 7, a locking device 8 for locking the vehicle door 1, and detecting the locked state of the vehicle door 1, There are provided a lock detection sensor 9 for outputting a lock detection signal, a cab 30 for a crew member to drive the vehicle, and a door drive control device 10 for controlling the drive of the vehicle door 1.

Here, the door drive control device 10 is provided with an operation command calculator 11, a power converter 12, a closed state signal detector 13, and an in-vehicle network 14, and the linear motor 3 is provided on the output side of the power converter 12. An input current detector 5 is provided for detecting the motor U-phase current and the motor W-phase current supplied to.
The railcar is provided with an emergency handle 21. When the emergency handle 21 is operated, the energization between the power source 20 and the power converter 12 is stopped, and the operation of the linear motor 3 is stopped. Further, in conjunction with the stop of energization between the power supply 20 and the power converter 12, the lock of the vehicle door 1 by the locking device 8 is released, and the vehicle door 1 can be manually opened and closed. it can.

Then, the operation command calculator 11 includes a door operation command output from the cab 30, a position detection value output from the position detection unit 6, a motor U-phase current detection value output from the input current detection unit 5, and a motor W. The operation command value can be calculated based on the phase current detection value and the like.
The power converter 12 is connected to the power source 20 and can drive-control the linear motor 3 based on the operation command value output from the operation command calculator 11.

The closed state signal detection unit 13 indicates the closed state of the vehicle door 1 when the fully closed position detection signal is output from the fully closed position detection sensor 7 and the locking detection sensor 9 is output from the locking detection signal. A door closed state detection signal can be output.
The communication interface 14 can transmit the control state of the vehicle door 1 to the host device via the in-vehicle network.
Further, the cab 30 is provided with a vehicle state monitoring device 31, and the vehicle state monitoring device 31 is based on a door closed state detection signal sent from the closed state signal detection unit 13 via the communication interface 14. The closed state of the door 1 can be monitored.

  When the door operation command is output from the cab 30, the operation command calculator 11 detects the motor U-phase current detection value and the motor W-phase current detection value detected by the input current detection unit 5, and the position detection unit 6. Based on the position detection value detected at, speed feedback control is performed, and an operation command value is output to the power converter 12. The power converter 12 controls the linear motor 3 based on the operation command value output from the operation command calculator 11, thereby opening all the vehicle doors 1 installed in the vehicle. Can be closed.

  When the opening operation of the vehicle door 1 is performed and the vehicle door 1 comes into contact with the vehicle body, it is determined that the vehicle door 1 is in a closed state, and a fully closed position detection signal is output from the fully closed position detection sensor 7. The signal is output to the closed state signal detection unit 13. When the vehicle door 1 is closed, the vehicle door 1 is locked by the locking device 8, and a locking detection signal is output from the locking detection sensor 9 to the closed state signal detection unit 13.

When the closed state signal detection unit 13 receives the fully closed position detection signal and the lock detection signal from the fully closed position detection sensor 7 and the lock detection sensor 9, respectively, the closed state signal detection unit 13 outputs the door closed state detection signal to the operation command calculator 11. At the same time, a door closed state detection signal is output to the vehicle state monitoring device 31 via the communication interface 14.
Then, when receiving the door closed state detection signal from the closed state signal detection unit 13, the operation command calculator 11 stops energization of the power converter 12 after a certain time. In addition, when the vehicle state monitoring device 31 receives the door closed state detection signal from the closed state signal detection unit 13, the vehicle state monitoring device 31 releases the vehicle traveling interlock and displays the door closed state on the monitor screen. And a crew member can operate a train, after checking a door closed state on a monitor screen of vehicle state monitoring device 31.

  Here, when the door rubber 2 is hard, if a rigid foreign object is caught between the vehicle doors 1, the vehicle door 1 cannot move to the fully closed position, and the vehicle door 1 cannot be locked. As a result, the sensitivity of foreign object detection is increased and safety is improved. However, the vehicle door 1 cannot be closed even if the clothes of passengers in the vehicle are caught in the vehicle door 1, so that there is a delay in the operation of the train when there is congestion. appear.

  On the other hand, when the door rubber 2 is soft, the door rubber 2 is deformed even if a fine foreign object is caught in the vehicle door 1 so that the foreign material is absorbed and the vehicle door 1 can be locked. Trains can be operated and trains can be scheduled on a regular basis even during busy hours. However, in order to ensure the safety of passengers, it is detected that foreign objects are caught in the vehicle door 1. For example, it is necessary to determine whether a bag or clothes are in a dangerous state such as being caught from the home side.

  Here, as a method of detecting that a foreign object has been caught in an automatic opening / closing door of a vehicle or the like, Patent Document 1 discloses that a cushioning member having an elastic soft cylinder body having a hollow portion is provided in the opening / closing door. Attached to the edge, the light from the light emitting part is passed through the hollow part, and when the foreign object is caught between the buffer members when closed, part or all of the light can be blocked, and the light detecting part receives the light, A method for detecting a foreign object sandwiched between buffer members based on a detection signal from a light detection unit is disclosed.

Patent Document 2 discloses a method of applying a weak direct current or alternating current or high frequency voltage or current that does not affect the human body to one door side of a vehicle such as a train that opens and closes to the left and right, and detects a change in the current or voltage. It is disclosed.
The methods disclosed in Patent Documents 1 and 2 can detect whether or not a foreign object is caught in the vehicle door, but can detect whether or not the foreign object is in a dangerous state. I can't.

For this reason, as a method for confirming the safety of vehicle doors, a method of confirming the state where foreign objects are caught and telling the crew member as an effective method has been taken as an effective method, but in recent years, in order to reduce labor costs, Without placing station staff on the platform, a surveillance camera is installed on the platform, and a crew member looks at the surveillance camera to confirm that a foreign object is caught.
In this method of checking the state in which a foreign object is caught using a monitoring camera, if all the vehicle doors can be reliably monitored, the amount of information increases, so there is a possibility that the crew may overlook a dangerous state. There is a concern that the safety of passengers will decline.

  For this reason, in Patent Document 3, the elastic change of the door rubber is detected by passing a signal through the door rubber of the vehicle door, and it is determined whether or not the foreign object is in a dangerous state. A method is disclosed. That is, in the method disclosed in Patent Document 3, even when clothes of the same thickness are caught between vehicle doors, when the caught clothes are pulled out from the interior of the vehicle, the door rubber is not deformed, so foreign matter is caught. When the train moves, when the train moves, the door rubber is deformed by the force in the direction of travel of the train. Is detected as being caught, the train can be automatically stopped and safety can be ensured.

  Moreover, in patent document 4, the state before opening of a vehicle door and the state after locking is imaged with a surveillance camera installed on the upper part of the vehicle door, and the captured images are compared, Whether the crew can operate safely without having to check the enormous number of images by displaying the image of the surveillance camera on the crew's monitor only when the image difference is detected and it is determined that a foreign object is caught. A method is disclosed that allows determining whether or not.

In addition, passengers can operate the emergency stop button installed on the platform to inform the crew and station staff that there is a risk of train operation, and can stop the train emergency, so that the crew and station staff can directly notice Even when there is no danger, it is possible to avoid danger.
JP 2000-25610 A JP 2000-280895 A JP 2006-313136 A JP 2005-349997 A

However, in the conventional method of notifying crew members and station staff that danger is imminent when sandwiched between vehicle doors, safety measures are taken by things or means other than the sandwiched party. There is a problem that the party between the two is aware of that and expects that appropriate equipment will be applied, and that they can not do anything on their own even though they feel the danger of life. It was.
SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle door safety support device capable of notifying the person himself / herself sandwiched between vehicle doors that danger is imminent.

  In order to solve the above-described problem, according to the vehicle door safety support device according to claim 1, door closing detection means for detecting a state in which the vehicle door is closed, and a person sandwiched between the vehicle doors A vehicle state in which an emergency switch mounted at an operable position and a state in which the vehicle door is closed by the door closing detection means are detected and an abnormal signal is output when the emergency switch is operated And monitoring means.

  According to the vehicle door safety support device of the second aspect, the door closing detection means for detecting the state in which the vehicle door is closed and the state in which a foreign object is sandwiched between the vehicle doors are detected. The foreign object detection means, an emergency switch attached to a position where a human being can be operated between the vehicle door, and the door closing detection means detect that the vehicle door is closed, and the foreign object Vehicle state monitoring means for outputting an abnormal signal when the emergency switch is operated in a state in which a state in which a foreign object is sandwiched between the vehicle doors is detected by the detection means.

Further, according to the vehicle door safety support device according to claim 3 , the indicator for notifying the presence of the emergency switch when the closed state of the vehicle door is detected by the door closing detecting means. , Provided in the vicinity of the emergency switch .
According to the vehicle door safety support apparatus of the fourth aspect, when the abnormal signal is output, the vehicle door is instructed to open.
Further, according to the vehicle door safety support device of the fifth aspect, when the abnormal signal is output, the vehicle is instructed to make an emergency stop.
Further, according to the vehicle door safety support device of the sixth aspect, the closed state of the vehicle door is detected by the door closing detection means, and a foreign object is sandwiched between the vehicle doors. A display for notifying the presence of the emergency switch when the foreign object detection means detects is provided in the vicinity of the emergency switch.

  As described above, according to the present invention, it becomes possible for a passenger sandwiched between vehicle doors to operate the emergency switch by themselves, and to open the vehicle door or to make an emergency stop of the train. . For this reason, even if no one notices that the passenger is caught in the vehicle door, the passenger can take his own safety measures, and the passenger caught in the vehicle door is at risk. Can be avoided.

Hereinafter, a vehicle door safety support device according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing a schematic configuration of a vehicle door safety support device according to the first embodiment of the present invention.
In FIG. 1, the vehicle door safety support apparatus is provided with an emergency switch 50 attached to a position that can be operated by a person sandwiched between the vehicle doors 1 in addition to the configuration of FIG. 6. Note that the emergency switch 50 can be attached to the vehicle door 1 so that a human hand sandwiched between the vehicle doors 1 can be reached, for example. The closed state signal detection unit 13 and the emergency switch 50 are connected to the vehicle state monitoring device 31 via the communication interface 14.

  When the opening operation of the vehicle door 1 is performed and the vehicle door 1 comes into contact with the vehicle body, it is determined that the vehicle door 1 is in a closed state, and a fully closed position detection signal is output from the fully closed position detection sensor 7. The signal is output to the closed state signal detection unit 13. When the vehicle door 1 is closed, the vehicle door 1 is locked by the locking device 8, and a locking detection signal is output from the locking detection sensor 9 to the closed state signal detection unit 13.

When the closed state signal detection unit 13 receives the fully closed position detection signal and the lock detection signal from the fully closed position detection sensor 7 and the lock detection sensor 9, respectively, the closed state signal detection unit 13 outputs the door closed state detection signal to the operation command calculator 11. At the same time, a door closed state detection signal is output to the vehicle state monitoring device 31 via the communication interface 14.
When a passenger is caught in the vehicle door 1 and the emergency switch 50 is operated by the passenger while the door closed state detection signal is output to the vehicle state monitoring device 31, a signal indicating the operation is transmitted to the communication interface. 14 to the vehicle state monitoring device 31.

  The vehicle state monitoring device 31 receives the door closed state detection signal from the closed state signal detection unit 13 and outputs an abnormal signal to the operation command calculator 11 when receiving a signal indicating the operation of the emergency switch 50. Then, when receiving an abnormality signal from the vehicle state monitoring device 31, the operation command calculator 11 outputs an operation command value for opening the vehicle door 1 to the power converter 12. Then, the power converter 12 drives the linear motor 3 based on the operation command value output from the operation command calculator 11 to open the vehicle door 1. When the vehicle door 1 is opened, the train interlock works and the train can be stopped.

  Thereby, a passenger sandwiched between the vehicle doors 1 can operate the emergency switch 50 by itself, and the vehicle door 1 can be opened or the train can be stopped in an emergency. For this reason, even when no one notices that the passenger is caught in the vehicle door 1, the passenger can take his own safety measures, and the passenger caught in the vehicle door 1 is dangerous. Exposure can be avoided.

FIG. 2 is a flowchart showing the operation of the vehicle door safety support apparatus according to the first embodiment of the present invention.
In FIG. 2, the vehicle state monitoring device 31 in FIG. 1 determines whether or not the operation signal of the emergency switch 50 is output in a state where the closed state detection signal is output from the closed state signal detection unit 13 (step S <b> 11). (Step S12). And when the operation signal of the emergency switch 50 is output in the state where the closed state detection signal is output, the vehicle state monitoring device 31 outputs an abnormal signal to the operation command calculator 11 (step S13). When the operation command calculator 11 receives the abnormality signal from the vehicle state monitoring device 31, the operation command calculator 11 commands the vehicle door 1 to open (step S14).
On the other hand, when the closed state detection signal is not output from the closed state signal detection unit 13, or when the operation signal of the emergency switch 50 is not output, the abnormal signal is cleared (steps S15 and S16).

  In the above-described embodiment, when an abnormal signal is output from the vehicle state monitoring device 31, the door opening signal is output to the operation command calculator 11, and the linear motor 3 is driven to control the vehicle door 1. The method of opening is described, but when an abnormal signal is output from the vehicle state monitoring device 31, the emergency handle 21 is operated to stop energization between the power source 20 and the power converter 12, and the locking device 8 The vehicle door 1 may be manually opened and closed by releasing the lock of the vehicle door 1.

In the above-described embodiment, the method for immediately opening the vehicle door 1 when an abnormal signal is output from the vehicle state monitoring device 31 has been described. However, the abnormal signal is output from the vehicle state monitoring device 31. Then, the train may be stopped first, and then the vehicle door 1 may be opened according to the determination of the crew.
The emergency switch 50 may be replaced by a semi-automatic switch installed on the side of the vehicle door 1 for a train traveling in a suburb section, but immediately responds when it is caught by the vehicle door 1 In order to be able to do so, it is preferable to provide separately near the door rubber 2.

FIG. 3 is a block diagram showing a schematic configuration of the vehicle door safety support device according to the second embodiment of the present invention.
3, in addition to the configuration of FIG. 1, a foreign object detection device 51 for detecting a state in which a foreign object is sandwiched by the vehicle door 1 is provided. The foreign object detection device 51 is connected to the vehicle state monitoring device 31 via the communication interface 14.
Here, the foreign object detection device 51 can be attached to, for example, the door rubber 2 and can output a foreign object detection signal when detecting a state in which the foreign object is caught when the vehicle door 1 is locked. The foreign object detection device 51 can use, for example, an optical sensor.

When the opening operation of the vehicle door 1 is performed and the vehicle door 1 comes into contact with the vehicle body, it is determined that the vehicle door 1 is in a closed state, and a fully closed position detection signal is output from the fully closed position detection sensor 7. The signal is output to the closed state signal detection unit 13. When the vehicle door 1 is closed, the vehicle door 1 is locked by the locking device 8, and a locking detection signal is output from the locking detection sensor 9 to the closed state signal detection unit 13.
When the closed state signal detection unit 13 receives the fully closed position detection signal and the lock detection signal from the fully closed position detection sensor 7 and the lock detection sensor 9, respectively, the closed state signal detection unit 13 outputs the door closed state detection signal to the operation command calculator 11. At the same time, a door closed state detection signal is output to the vehicle state monitoring device 31 via the communication interface 14.

Further, when the foreign object detection device 51 detects that a foreign object is caught when the vehicle door 1 is locked by the locking device 8, a foreign object detection signal is sent to the vehicle state monitoring device 31 via the communication interface 14. Is output.
Then, when the passenger is caught in the vehicle door 1 and the emergency switch 50 is operated by the passenger while the door closed state detection signal and the foreign object detection signal are output to the vehicle state monitoring device 31, the operation is indicated. A signal is output to the vehicle state monitoring device 31 via the communication interface 14.

  When the vehicle state monitoring device 31 receives the door closed state detection signal and the foreign object detection signal and also receives a signal indicating the operation of the emergency switch 50, the vehicle state monitoring device 31 outputs an abnormal signal to the operation command calculator 11. Then, when receiving an abnormality signal from the vehicle state monitoring device 31, the operation command calculator 11 outputs an operation command value for opening the vehicle door 1 to the power converter 12. Then, the power converter 12 drives the linear motor 3 based on the operation command value output from the operation command calculator 11 to open the vehicle door 1. When the vehicle door 1 is opened, the train interlock works and the train can be stopped.

  As a result, it becomes possible for passengers sandwiched between the vehicle doors 1 to operate the emergency switch 50 on their own, to open the vehicle door 1 or to make an emergency stop of the train. When no passenger is caught in the door 1, the operation of the emergency switch 50 can be invalidated. For this reason, when the vehicle door 1 is normally closed, passengers caught between the vehicle doors 1 can take their own safety measures without disturbing the operation of the train. It is possible to avoid the caught passenger from being in danger.

FIG. 4 is a flowchart showing the operation of the vehicle door safety support apparatus according to the second embodiment of the present invention.
In FIG. 4, the vehicle state monitoring device 31 of FIG. 1 is in a state where the closed state detection signal is output from the closed state signal detection unit 13 (step S <b> 21), and whether the foreign matter detection signal is output from the foreign matter detection device 51. It is determined whether or not (step S22). When the closed state detection signal and the foreign object detection signal are output, it is determined whether or not the operation signal of the emergency switch 50 is output (step S23). When the operation signal of the emergency switch 50 is output in a state where the closed state detection signal and the foreign object detection signal are output, the vehicle state monitoring device 31 outputs an abnormal signal to the operation command calculator 11 (step) S24). Then, when receiving the abnormality signal from the vehicle state monitoring device 31, the operation command calculator 11 commands the vehicle door 1 to open (step S25).
On the other hand, when the closed state detection signal is not output from the closed state signal detection unit 13, or when the foreign object detection signal is not output from the foreign object detection device 51, or when the operation signal of the emergency switch 50 is not output, The abnormal signal is cleared (steps S26, S27, S28).

FIG. 5 is a diagram showing an example of a display applied to the vehicle door safety support device according to the third embodiment of the present invention.
In FIG. 5, a display 52 is provided on the side of the emergency switch 50 in the vehicle door 1. Here, the display device 52 can display that the operation of the emergency switch 50 is permitted when the operation of the emergency switch 50 becomes valid. For example, in the embodiment of FIG. 1, when the closed state detection signal is output to the vehicle state monitoring device 31, the display 52 can display “← emergency stop”, for example. In the embodiment of FIG. 3, when the foreign object detection signal is output to the vehicle state monitoring device 31 in a state where the closed state detection signal is output to the vehicle state monitoring device 31, the indicator 52 is, for example, “← Emergency stop” can be displayed.

Thereby, even when the passenger does not know the presence of the emergency switch 50, it can be recognized that the vehicle door 1 is opened by operating the emergency switch 50, and the effective use of the emergency switch 50 can be promoted. it can.
In the embodiment described above, the method of providing the display 52 separately from the emergency switch 50 has been described. However, the emergency switch 50 itself may be provided with a display function.

1 is a block diagram illustrating a schematic configuration of a vehicle door safety support device according to a first embodiment of the present invention. It is a flowchart which shows operation | movement of the vehicle door safety assistance apparatus which concerns on 1st Embodiment of this invention. It is a block diagram which shows schematic structure of the vehicle door safety assistance apparatus which concerns on 2nd Embodiment of this invention. It is a flowchart which shows operation | movement of the vehicle door safety assistance apparatus which concerns on 2nd Embodiment of this invention. It is a figure which shows an example of the indicator applied to the vehicle door safety assistance apparatus which concerns on 3rd Embodiment of this invention. It is a block diagram which shows schematic structure of the conventional vehicle door safety assistance apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door 2 Door rubber | gum 3 Linear motor 4 Connection part 5 Input current detection part 6 Position detection part 7 Fully closed position detection sensor 8 Locking device 9 Locking detection sensor 10 Door drive control apparatus 11 Operation command calculator 12 Power converter 13 Close Status signal detection unit 14 Communication interface 20 Power source 21 Emergency handle 30 Driver's cab 31 Vehicle status monitoring device 50 Emergency switch 51 Foreign object detection device 52 Display

Claims (6)

A door closing detecting means for detecting a state in which the vehicle door is closed;
An emergency switch attached to a position operable by a human being sandwiched between the vehicle doors;
Vehicle status monitoring means for detecting a state in which the door for the vehicle is closed by the door closing detection means and outputting an abnormal signal when the emergency switch is operated. Door safety support device. A door closing detecting means for detecting a state in which the vehicle door is closed;
Foreign matter detection means for detecting a state in which foreign matter is sandwiched at the vehicle door;
An emergency switch attached to a position operable by a human being sandwiched between the vehicle doors;
The emergency switch in a state where the door closing detection means detects that the vehicle door is closed and the foreign object detection means detects that a foreign object is caught in the vehicle door. A vehicle door safety support device comprising: vehicle state monitoring means for outputting an abnormal signal when the is operated. Claim 1, characterized in that the closed state of the door for the vehicle is an indicator for notifying the existence of the emergency switch when it is detected by the door closing detecting means, provided in the vicinity of the emergency switch The vehicle door safety support device according to claim 1.   4. The vehicle door safety support device according to claim 1, wherein when the abnormality signal is output, the vehicle door is instructed to open. 5.   The vehicle door safety support device according to any one of claims 1 to 3, wherein when the abnormal signal is output, the train is instructed to make an emergency stop. In order to notify the presence of the emergency switch when the closed state of the vehicle door is detected by the door closing detection means and the foreign object detection means detects that a foreign object is caught in the vehicle door The vehicle door safety support device according to claim 2, wherein the indicator is provided in the vicinity of the emergency switch.

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