JP2009121144A - Safety check system for vehicle door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To check a closed state of a door for a vehicle while reducing the possibility of overlooking a dangerous state at the time of closure of the door for the vehicle. <P>SOLUTION: A closed-state signal detection part 13 outputs a door-closed-state detection signal to a vehicle condition monitor 31 when it has received a fully-closed position detection signal and a locking detection signal from a fully-closed position detection sensor 7 and a locking detection sensor 9 respectively. When the state where a foreign substance is caught is detected by a foreign-substance detector 50 at the time of locking of the vehicle door 1 by a locking device 8, a foreign-substance detection signal is outputted to the vehicle condition monitor 31, and the image data on the periphery of the vehicle door 1 picked up by a surveillance camera 51 is outputted to the vehicle condition monitor 31, which receives the door-closed-state detection signal from the closed-state signal detection part 13. When the vehicle condition monitor 31 receives the foreign-substance detection signal from the foreign-substance detector 50, it displays the image part of the vehicle door 1 on a monitor screen 31a. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a vehicle door safety confirmation system, and is particularly suitable for application to a method for monitoring a state in which 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. 9 is a block diagram showing a schematic configuration of a conventional vehicle door safety confirmation system.
In FIG. 9, a vehicle door 1 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 front 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.
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, even if the clothes of passengers in the vehicle are caught in the vehicle door 1, the vehicle door 1 cannot be closed. 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 of detecting a foreign object sandwiched between buffer members by 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 vehicle interior, 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.

Further, Patent Document 5 is provided with a monitor device for displaying images captured by a plurality of monitoring cameras that capture images of a monitoring target in a station premises, and an abnormality in each imaging range corresponding to the plurality of monitoring cameras. A method for displaying an image captured by the plurality of monitoring cameras on the monitor device in response to an output of a sensor for detecting the image is disclosed.
JP 2000-25610 A JP 2000-280895 A JP 2006-313136 A JP 2005-349997 A JP 2006-238048 A

However, in the method disclosed in Patent Document 3, if clothes are caught between vehicle doors from outside the vehicle, there is a possibility that foreign objects cannot be detected before the train starts to move. For this reason, even when the train is stopped before the speed of the train is increased, there is a problem that a passenger having clothes caught in the vehicle door may feel dangerous.
In addition, in the method disclosed in Patent Document 4, since the image displayed on the surveillance camera is not necessarily limited to a state in which a foreign object is sandwiched between the doors, a state where a person is walking on the edge of the platform at the time of congestion etc. The number of images displayed on the monitor for the crew may increase, which may cause the crew to overlook a dangerous situation, and there is a problem that the safety of passengers may be reduced. It was. On the other hand, if only the vicinity of the vehicle door is picked up by the monitoring camera, the detection accuracy of the foreign object caught in the door will be improved, but it is dangerous only by looking at the image picked up by the monitoring camera There was a problem that could not be determined.

Further, in the method disclosed in Patent Document 5, since images captured by a plurality of monitoring cameras in response to outputs from sensors for detecting various abnormalities are displayed on the monitor device, they are displayed on the monitor device. As the number of images to be increased increases and the crew may overlook a dangerous state, there is a problem that the safety of passengers may be reduced.
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a vehicle door safety confirmation system capable of confirming a closed state of a vehicle door while reducing the possibility that a dangerous state is overlooked when the vehicle door is closed. Is to provide.

  In order to solve the above-described problem, according to the vehicle door safety confirmation system according to claim 1, a door closing detection means for detecting a state in which the vehicle door is closed, and a foreign object is sandwiched between the vehicle door. The foreign object detection means for detecting the state of the vehicle door, the monitoring camera for imaging the part of the vehicle door, and the door closing detection means detect the state where the vehicle door is closed, and the foreign object detection Vehicle state monitoring means for displaying an image captured by the monitoring camera on a monitor screen when the means detects that a foreign object is sandwiched between the vehicle doors.

  Thereby, although the vehicle door is closed, the part of the vehicle door can be displayed on the monitor screen only when a state in which a foreign object is sandwiched between the vehicle doors is detected. For this reason, it is possible to prevent the vehicle door not holding the foreign object from being displayed on the monitor screen, and the foreign object is caught in the vehicle door while reducing the number of images displayed on the monitor screen. It is possible to confirm on the monitor screen whether or not the vehicle door is in danger, reducing the possibility of overlooking the dangerous state when the vehicle door is closed, Safety can be confirmed.

  Further, according to the vehicle door safety confirmation system according to claim 2, the door closing detection means for detecting the state in which the vehicle door is closed, and the passage of time after the vehicle door starts the closing operation. A closing operation time timer for measuring, a monitoring camera for imaging a part of the vehicle door, and a state in which the vehicle door is not closed after a set time has elapsed since the vehicle door started closing operation. Vehicle state monitoring means for displaying an image captured by the monitoring camera on a monitor screen when detected by the closing detection means.

  Thereby, it is determined whether or not a foreign object is caught in the vehicle door by detecting the time during which the vehicle door has not been closed even though the vehicle door has started to close. It is possible to display the part of the vehicle door on the monitor screen only when it is determined that the foreign object is caught in the vehicle door without using the foreign object detection means. As a result, the number of parts can be reduced and the number of images displayed on the monitor screen can be reduced while checking on the monitor screen whether a foreign object is caught in the vehicle door is dangerous. It is possible to check the safety when the vehicle door is closed while reducing the possibility that a dangerous state when the vehicle door is closed is overlooked. The configuration of the safety confirmation system can be simplified.

According to the vehicle door safety confirmation system according to claim 3, when an image captured by the monitoring camera is displayed on the monitor screen, the vehicle operates until a confirmation operation is performed on the display screen. It is characterized by interlocking so that it cannot be done.
As a result, the vehicle cannot be operated until it is confirmed on the monitor screen that the state where the foreign object is caught in the vehicle door is dangerous, and the dangerous state when the vehicle door is closed. The possibility of being overlooked can be further reduced.

According to the vehicle door safety confirmation system according to claim 4, when the image captured by the monitoring camera is displayed on the monitor screen, the vehicle door displayed on the monitor screen It is characterized by reopening / closing in response to the reopening / closing operation.
As a result, it is possible to reopen and close only the vehicle door that is judged to be dangerous when the foreign object is caught, and it is possible to prevent the vehicle door that is not dangerous from being reopened and closed. The delay of vehicle operation can be prevented without impairing the performance.

  As described above, according to the present invention, it is possible to confirm on the monitor screen whether or not the state where the foreign object is caught in the vehicle door is dangerous while reducing the number of images displayed on the monitor screen. This makes it possible to confirm the safety when the vehicle door is closed while reducing the possibility of overlooking the dangerous state when the vehicle door is closed.

Hereinafter, a vehicle door safety confirmation system 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 confirmation system according to the first embodiment of the present invention, and FIG. 2 shows an operation of the vehicle door safety confirmation system according to the first embodiment of the present invention. It is a flowchart.
1, in addition to the configuration of FIG. 9, the vehicle door safety confirmation system includes a foreign object detection device 50 for detecting a state in which a foreign object is sandwiched between the vehicle door 1 and a vehicle door 1 outside the vehicle. A surveillance camera 51 for imaging the region is provided. The foreign object detection device 50 and the monitoring camera 51 are connected to the vehicle state monitoring device 31 via the communication interface 14.

Here, the foreign object detection device 50 can be attached to the door rubber 2, for example, 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 50 can use, for example, an optical sensor.
The monitoring camera 51 can be attached, for example, near the upper portion of the vehicle door 1, can image the vehicle door 1 and its periphery, and output image data of the periphery of the imaged vehicle door 1. As the monitoring camera 51, for example, a CCD camera can be used.

  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 the foreign object detection device 50 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. Furthermore, image data around the vehicle door 1 captured by the monitoring camera 51 is output to the vehicle state monitoring device 31 via the communication interface 14.

  Then, the vehicle state monitoring device 31 receives the door closed state detection signal from the closed state signal detection unit 13 (step S11 in FIG. 2) and receives the foreign object detection signal from the foreign object detection device 50 (step S12 in FIG. 2). The imaging part of the vehicle door 1 is displayed on the monitor screen 31a (step S13 in FIG. 2). Then, the crew member checks the imaging part of the vehicle door 1 displayed on the monitor screen 31a of the vehicle state monitoring device 31 to determine whether or not the state where the foreign object is caught in the vehicle door 1 is dangerous. be able to.

  As a result, the part of the vehicle door 1 is displayed on the monitor screen 31a only when a state in which a foreign object is sandwiched between the vehicle door 1 is detected even though the vehicle door 1 is closed. Can do. For this reason, it can prevent that the vehicle door 1 which does not pinch the foreign material is displayed on the monitor screen 31a, and reduces the number of images displayed on the monitor screen 31a, while reducing the number of images displayed on the monitor screen 31a. Since it is possible to confirm on the monitor screen 31a whether or not the state in which the foreign object is pinched is dangerous, it is possible to reduce the possibility that a dangerous state is overlooked when the vehicle door 1 is closed. The safety when the door 1 is closed can be confirmed.

In addition, when displaying the site | part of the vehicle door 1 on the monitor screen 31a, you may make it continue a display for a fixed time, and alert a crew member by outputting a warning sound and an audio | voice with a display. Also good.
In the above-described first embodiment, the method of displaying the part of the vehicle door 1 on the monitor screen 31a when the vehicle state monitoring device 31 receives the door closed state detection signal and the foreign object detection signal has been described. The peripheral image of the vehicle door 1 at an arbitrary part may be displayed by the determination of the crew.

In the above-described first embodiment, the method for installing the vehicle state monitoring device 31 on the cab 30 has been described. However, in the case of unmanned operation, the vehicle state monitoring device is connected to a train operation monitoring station outside the vehicle. 31 may be installed.
Furthermore, in the first embodiment described above, the method of attaching the surveillance camera 51 near the upper portion of the vehicle door 1 has been described. However, the surveillance camera 51 is installed in a platform of a station and the image data is transmitted wirelessly. May be.

FIG. 3 is a block diagram showing a schematic configuration of the vehicle door safety confirmation system according to the second embodiment of the present invention.
3, in addition to the configuration of FIG. 9, the vehicle door safety confirmation system includes a closing operation time timer 15 that measures the passage of time after the vehicle door 1 starts the closing operation, and a vehicle exterior vehicle outside the vehicle. A monitoring camera 51 for imaging the part of the door 1 is provided. The closing operation time timer 15 is connected to the vehicle state monitoring device 31, and the monitoring camera 51 is connected to the vehicle state monitoring device 31 via the communication interface 14.

Here, the closing operation time timer 15 can be provided in the door drive control device 10, for example, and can measure the passage of time after the door operation command is output to the operation command calculator 11.
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.
The passage of time after the door operation command is output to the operation command calculator 11 is measured by the closing operation time timer 15, and the measurement result is output to the vehicle state monitoring device 31. Furthermore, image data around the vehicle door 1 captured by the monitoring camera 51 is output to the vehicle state monitoring device 31 via the communication interface 14.

  The vehicle state monitoring device 31 captures an image of the vehicle door 1 if the closed state detection signal is not output from the closed state signal detection unit 13 even if the set time has elapsed after the door close command is output. The part is displayed on the monitor screen 31a. Then, the crew member checks the imaging part of the vehicle door 1 displayed on the monitor screen 31a of the vehicle state monitoring device 31 to determine whether or not the state where the foreign object is caught in the vehicle door 1 is dangerous. be able to.

FIG. 4 is a flowchart showing the operation of the vehicle door safety confirmation system according to the second embodiment of the present invention.
In FIG. 4, the vehicle state monitoring device 31 in FIG. 1 determines whether or not the closed state detection signal is output from the closed state signal detection unit 13 after the door close command is output from the cab 30 (step S <b> 21). (Step S22). When the state where the closed state detection signal is not output continues for the set time by the closing operation time timer 15 (step S23), the imaging part of the vehicle door 1 is displayed on the monitor screen 31a (step S24). Then, the measurement value of the closing operation time timer 15 is increased until the measurement time by the closing operation time timer 15 reaches the set time (step S25).

On the other hand, when the door closing command is not output from the cab 30 or when the closed state detection signal is output from the closed state signal detector 13, the closing operation time timer 15 is cleared (steps S26 and S27).
Accordingly, whether or not a foreign object is caught in the vehicle door 1 by detecting the time during which the vehicle door 1 is not closed even though the vehicle door 1 has started to close. Only when it is determined that a foreign object is sandwiched between the vehicle door 1 without using the foreign object detection device 50 of FIG. 1, the part of the vehicle door 1 is displayed on the monitor screen 31a. Can be displayed.

  For this reason, it is possible to reduce the number of parts, and to reduce whether the number of images displayed on the monitor screen 31a is small or not and whether the state in which a foreign object is caught in the vehicle door 1 is dangerous. It becomes possible to confirm above, and it becomes possible to confirm the safety when the vehicle door 1 is closed while reducing the possibility of overlooking the dangerous state when the vehicle door 1 is closed. At the same time, the configuration of the vehicle door safety confirmation system can be simplified.

  It can be determined that a foreign object is sandwiched between the vehicle door 1 when the vehicle door 1 is not closed even though the vehicle door 1 has started to close. A passenger who is about to get on and off immediately before the vehicle door 1 is closed is caught in the vehicle door 1, and a small foreign object such as a bag string is caught in the vehicle door 1 when trying to get out of between the vehicle doors 1. This is because it takes more time for the vehicle door 1 to close than usual.

FIG. 5 is a flowchart showing the operation of the vehicle door safety confirmation system according to the third embodiment of the present invention, and FIG. 6 is a diagram showing an example of a monitor display screen according to the third embodiment of the present invention.
In FIG. 5, the vehicle state monitoring device 31 in FIG. 1 receives a door closed state detection signal from the closed state signal detection unit 13 (step S31) and receives a foreign object detection signal from the foreign object detection device 50 (step S32). The imaging part of the vehicle door 1 is displayed on the monitor screen 31a (step S33).

Here, on the monitor screen 31a, as shown in FIG. 6, an image 104 of the home, an image 105 of the vehicle door 1, and an image 106 of a foreign object sandwiched between the vehicle door 1 are displayed. Information 102 indicating which part of the train is. On the monitor screen 31a, a safety confirmation button 103 for releasing the interlock of vehicle operation is displayed.
Then, the crew member checks the images 104 to 106 displayed on the monitor screen 31a of the vehicle state monitoring device 31 to determine whether or not the state where the foreign object is caught in the vehicle door 1 is dangerous (step S34). ).

And when a crew member judges that the state where a foreign object is caught in door 1 for vehicles is dangerous, it outputs a door opening command to operation command calculator 11 so that door 1 for vehicles of Drawing 1 may be opened. The vehicle door 1 is opened without releasing the interlock of the vehicle operation (step S35), and the foreign matter caught in the vehicle door 1 can be safely removed.
On the other hand, if the crew member determines that the state in which the foreign object is caught in the vehicle door 1 is not dangerous, the crew member presses the safety confirmation button 103 on the monitor screen 31a (step S36) to release the interlock of the vehicle operation. (Step S37), the train can be run.

Thus, the vehicle cannot be operated until it is confirmed on the monitor screen 31a whether or not the state in which the foreign object is caught in the vehicle door 1 in FIG. 1 is dangerous, and the vehicle door 1 is closed. The possibility that a dangerous state is overlooked can be further reduced.
In addition, in 3rd Embodiment mentioned above, although demonstrated taking the case of the vehicle door safety confirmation system of FIG. 1, it is applicable similarly to the vehicle door safety confirmation system of FIG.

FIG. 7 is a flowchart showing the operation of the vehicle door safety confirmation system according to the fourth embodiment of the present invention, and FIG. 8 is a diagram showing an example of a monitor display screen according to the fourth embodiment of the present invention.
In FIG. 7, the vehicle state monitoring device 31 of FIG. 1 receives a door closed state detection signal from the closed state signal detection unit 13 (step S41) and receives a foreign object detection signal from the foreign object detection device 50 (step S42). The imaging part of the vehicle door 1 is displayed on the monitor screen 31a (step S43).

Here, on the monitor screen 31a, as shown in FIG. 8, an image 114 of the home, an image 115 of the vehicle door 1, and an image 116 of a foreign object sandwiched between the vehicle door 1 are displayed. The information 112 indicating which part of the train is is displayed. On the monitor screen 31a, a safety confirmation button 113 for releasing the interlock of vehicle operation and a reopen / close button 117 for reopening / closing the vehicle door 1 displayed on the monitor screen 31a are displayed.
Then, the crew member checks the images 114 to 116 displayed on the monitor screen 31a of the vehicle state monitoring device 31 to determine whether or not the state where the foreign object is caught in the vehicle door 1 is dangerous (step S44). ).

  When the crew member determines that the state where the foreign object is caught in the vehicle door 1 is dangerous, the crew member presses the re-open / close button 117 on the monitor screen 31a (step S45). When the re-open / close button 117 is pressed, the vehicle state monitoring device 31 outputs a door re-open / close command for re-opening / closing the vehicle door 1 displayed on the monitor screen 31 a to the operation command calculator 11. Thus, only the vehicle door 1 displayed on the monitor screen 31a is reopened and closed without releasing the interlock of the vehicle operation (step S46), and the vehicle door 1 displayed on the monitor screen 31a is reopened. It is possible to safely remove the foreign matter caught between the two.

On the other hand, if the crew member determines that it is not dangerous that a foreign object is caught in the vehicle door 1, the crew member presses the safety confirmation button 113 on the monitor screen 31a (step S47) to release the interlock of the vehicle operation. (Step S48), the train can be run.
As a result, only the vehicle door 1 in which it is determined that the state in which the foreign object is sandwiched is dangerous can be opened and closed again, and the vehicle door 1 without danger can be prevented from being opened and closed again. It is possible to prevent delays in vehicle operation without sacrificing safety.

In the above-described fourth embodiment, the vehicle door safety confirmation system of FIG. 1 has been described as an example, but the same can be applied to the vehicle door safety confirmation system of FIG.
In the above-described embodiment, the case where the number of images displayed on the monitor screen 31a is one has been described as an example. However, depending on the situation, the number of images displayed on the monitor screen 31a may be plural. May be. In this case, the images displayed on the monitor screen 31a may be sequentially updated, or the monitor screen 31a may be divided and a plurality of images may be displayed simultaneously. The display method may be changed according to the size of the monitor screen 31a.

1 is a block diagram showing a schematic configuration of a vehicle door safety confirmation system according to a first embodiment of the present invention. It is a flowchart which shows operation | movement of the vehicle door safety confirmation system which concerns on 1st Embodiment of this invention. It is a block diagram which shows schematic structure of the vehicle door safety confirmation system which concerns on 2nd Embodiment of this invention. It is a flowchart which shows operation | movement of the vehicle door safety confirmation system which concerns on 2nd Embodiment of this invention. It is a flowchart which shows operation | movement of the vehicle door safety confirmation system which concerns on 3rd Embodiment of this invention. It is a figure which shows an example of the monitor display screen which concerns on 3rd Embodiment of this invention. It is a flowchart which shows operation | movement of the vehicle door safety confirmation system which concerns on 4th Embodiment of this invention. It is a figure which shows an example of the monitor display screen which concerns on 4th Embodiment of this invention. It is a block diagram which shows schematic structure of the conventional vehicle door safety confirmation system.

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 15 Closed operation time timer 20 Power supply 30 Driver's cab 31 Vehicle status monitoring device 50 Foreign object detection device 51 Monitoring camera

Claims (4)

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;
A monitoring camera for imaging the part of the vehicle door;
When the door closing detection unit detects that the vehicle door is closed, and the foreign object detection unit detects a state where a foreign object is sandwiched between the vehicle doors, And a vehicle state monitoring means for displaying an image picked up on a monitor screen. A door closing detecting means for detecting a state in which the vehicle door is closed;
A closing operation time timer for measuring the passage of time after the vehicle door starts closing operation;
A surveillance camera for imaging the part of the vehicle door;
When the door closing detecting means detects that the vehicle door is not closed after a lapse of a set time after the vehicle door starts to close, the image captured by the monitoring camera is monitored. A vehicle door safety confirmation system comprising vehicle state monitoring means for displaying on a screen.   3. When an image captured by the monitoring camera is displayed on the monitor screen, an interlock is applied so that the vehicle cannot be operated until a confirmation operation on the display screen is performed. The vehicle door safety confirmation system described.   When an image picked up by the monitoring camera is displayed on the monitor screen, only the vehicle door displayed on the monitor screen is re-opened / closed according to a re-open / close operation. Item 4. The vehicle door safety confirmation system according to any one of Items 1 to 3.

Images