JP3947960B2 - Platform door control system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a platform door control system that controls a door installed on a platform of a vehicle such as a subway.
[0002]
[Prior art]
Conventionally, in a vehicle platform door, for example, a sensor or the like is provided at the door tip, and during the door closing operation, a user or an article is trapped in the door, and when it is detected, the door is reopened, Thereafter, the closing operation is performed again. Once the door is closed, the door is immediately locked by an electromagnetic lock or the like, and thereafter the door is not restarted.
Another conventional system is a door control system in which a door is locked by an electromagnetic lock or the like after the door is closed once, for example, after a time of about 0.5 second to 2 seconds elapses.
[0003]
[Problems to be solved by the invention]
Conventionally, in a platform door, when a door or closing operation is performed, a user or an article gathers in the door, and if the door end detection device such as a pressure-sensitive sensor provided at the end of the door detects it, the door is reopened. The door is then closed again, and once the door is closed, the door is immediately locked by, for example, an electromagnetic lock. This is a door control system that does not perform resuming operation. In this system, when the door is closed, for example, an electromagnetic lock is performed, so that the user cannot perform unsafe actions such as forcibly opening the door, and a signal is sent to the train operation management device as a door closing completion signal. It is common to transmit.
However, in this conventional system, there is a problem that the insensitive area of the door-end detection device is not taken into account. Therefore, in a case where the door-end detection devices are provided at both ends of the door in a normal case, for example, 5 mm When an article of a certain thickness is collected, it may not be detected. Therefore, in the conventional system, for example, when the tip of an umbrella, a blind wand or the like is caught between doors, there is a possibility that it may not be detected, and an unsafe situation occurs. was there.
Furthermore, in order to solve the above-mentioned problems, a system is adopted in which a door is locked by an electromagnetic lock after a certain period of time, for example, about 0.5 second to 2 seconds, after the door is closed. There is also a conventional method of removing obstacles by detecting the obstacles by moving the obstructed obstacles and reopening the door, but according to this conventional example, the time for the electromagnetic lock to operate is every time Since a certain time has passed after the door is closed, there is a problem that the departure time of the train is extended by that amount.
[0004]
The object of the present invention is to quickly remove an obstacle when the platform door is closed and the obstacle is not thick enough to be detected by the door sensor and the door closes. It is to provide a platform door control system excellent in safety.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, a platform door control having a platform door installed on a vehicle platform, a door sensor for detecting that an obstacle is trapped in the door, and a mechanism for locking the door after the door is closed. In the system, the mechanism for locking the door includes an electromagnetic lock having a lock pin and a hole for locking the lock pin in the door, and the hole is outside the sensing range of the door sensor when the lock pin is locked. obstacle is a lock hole of the long hole shape provided with a gap in addition to the diameter of the lock pin to move the openable certain distance of the obstacle that passengers can not pass from the state of Tsu sandwiched door, when the door closing completion, if the sensed outside of the obstacle in the door head sensor is Tsu sandwiched door, door leading end sensor detects by swinging the obstacle, the solution door lock Without, a certain distance re-open openable of the obstacle passengers the door can not pass through, after re-open, close the door again.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an overall view of a platform door control system according to an embodiment of the present invention. In FIG. 1, 1 is a platform, 2 is a foam fence installed on the platform, 3 and 4 are door type platform doors that move and open in both directions, 5 is a platform door that moves and opens in one direction, and 6 to 8 are platform doors Individual control panels installed at 3 to 5, 9 is the range of the foam fence 2 in which the platform doors 3 to 5 are movable, 20 is a vehicle (leading car), 21 and 22 are passenger entrance doors for the vehicle 20, and 23 is a vehicle 20 entrance / exit doors for crew members, 30 is a station service room, 31 is an integrated control device 31 and 32 installed in the station service room 30, is the station service room display panel, and 1000 is the width of the platform door.
In the platform door system, first, when a vehicle (first vehicle) 20 enters the platform 1 and stops at a fixed position, a crew member issues a door opening command. The door opening command signal is received by the general control device 31 installed in the station service room 30. After receiving the signal, the integrated control device 31 transfers the door opening command signal to the individual control panels 6 to 8 installed in the platform doors 3 to 5. This opens the platform doors 3-5. When the passengers get on and off, the crew member issues a door closing command. After the command is received by the general control device 31, the door control command signal is transmitted from the general control device 31 to the individual control panels 6-8. Thereby, the platform doors 3 to 5 start to close. When the doors 3 to 5 are completely closed, the doors are locked by an electromagnetic lock (not shown), and a door closing completion signal is transmitted from the individual control panels 6 to 8 to the general controller 31.
When the door closing completion signals for all the doors 3 to 5 are received, the integrated control device 31 transmits a door closing completion signal to the crew. Upon receipt of the signal, the crew member starts the vehicle.
[0007]
FIG. 2 shows a configuration diagram of the individual control panel of the present embodiment. The individual control panels 6 to 8 have the same configuration, and the individual control panel 6 will be described.
In FIG. 2, AC power is supplied to the motor 10 that opens and closes the platform door 3 from the switch 11 connected to the AC 100 V power source via the inverter 12.
Now, when a door closing command is transmitted from the general control device 31 to the individual control panel 6 of the platform door 3, the microcomputer control device 13 receives the signal. The microcomputer control device 13 operates the gate drive control circuit 14, controls the gate circuit of the inverter 12, drives the motor 10, and starts the operation of closing the door 3. When a person or an obstacle is squeezed during the closing operation of the door 3, the door end switch 15 is operated, and the signal is transmitted to the microcomputer control device 13 through the door end switch signal line 16, thereby the motor 10. Control to rotate in the opposite direction.
Thereafter, the door closing operation is performed again. When there is no obstacle between the doors 3, the door 3 is fully closed, and an operation command is transmitted from the microcomputer control device 13 to the electromagnetic lock 17 by the fully closing signal. After the door is fully closed, the door 3 is locked by the electromagnetic lock 17.
Here, 18 is a chime that reports the open / closed state of the door 3. Reference numeral 19 denotes a power supply device of the microcomputer control device 13.
[0008]
FIG. 3 shows a configuration diagram of the platform door of the present embodiment. The platform doors 3 to 5 have the same configuration, and the platform door 3 will be described.
The platform door 3 includes a door portion 301 and a door pocket portion 302, supports the door portion 301 by a support roller 303, and incorporates the motor 10, the individual control panel 6, and the electromagnetic lock 17 in the door pocket portion 302. Here, 305 represents a hanger, and 306 represents an emergency unlock button.
Due to the rotation of the motor 10, the door portion 301 moves along the guide rail 304 and performs an opening / closing operation. In addition, a door end switch 15 is provided at the end of the door portion 301, and when a person or an obstacle is trapped, it is detected. Further, when the door part 301 is fully closed, the electromagnetic lock 17 is operated, and the door part 301 is held so as not to be opened, thereby improving safety.
[0009]
In FIG. 4, the block diagram of a door-end switch is shown. The door end switch 15 supports the cable switch 1501 on the switch holding rail 1502, surrounds the whole by the exterior cover 1503, and attaches the exterior cover 1503 to the attachment channel 1504.
For example, when a person or an obstacle is caught between the door portions 301 and receives a frontal or lateral pressure, the cable switch 1501 operates and detects it. When the obstacle is not thick enough to be detected by the door tip sensor 15 such as the tip of an umbrella or a blind cane, for example, the object is operated in the same manner by, for example, squeezing and moving the trapped object.
[0010]
FIG. 5 shows a layout of the electromagnetic lock. As shown in the figure, the electromagnetic lock 17 is attached to the door pocket 302 and has a mechanism in which the lock pin 1701 at the center of the electromagnetic lock moves up and down by electromagnetic force. Normally, the lock pin 1701 is pulled up, and when the door 301 is fully closed, the lock pin 1701 is pulled down by a signal from the individual control panel 3. At the position where the door part 301 is in the fully closed state, there is a lock hole 1702 at the position of the door directly below the lock pin 1701, and the lock pin 1701 enters the lock hole 1702. By this mechanism, the door part 301 is locked by the electromagnetic lock 17.
[0011]
FIG. 6 shows a flowchart of the platform door closing operation according to the conventional example. As shown in the figure, a door closing command is received from the general controller 31 and the door closing operation is started. In the middle of the closing operation, when a person or an obstacle is trapped between the doors and the door end sensor 15 detects the door, the door starts a reopening operation at that time. When the door resuming operation is completed, the door starts to close again. If the door sensor 15 is not detected, such as when there is no person or obstacle, the door is closed and the electromagnetic lock 17 is activated. Is mechanically locked to increase safety. At the same time, a door closing completion signal is transmitted to the general control device 31.
[0012]
FIG. 7 shows a flowchart of a platform door closing operation according to another conventional example. As shown in the figure, a door closing command is received from the general controller 31 and the door closing operation is started. In the middle of the closing operation, when a person or an obstacle is trapped between the doors and the door end sensor 15 detects the door, the door starts a reopening operation at that time. When the restarting operation of the door is completed, the door starts to close again. When the door end sensor 15 is not detected, the door is closed. For example, when a stick or the like is trapped between doors and the thickness (diameter) is thin and out of the sensing range of the door sensor 15, the door sensor 15 is detected by shaking it. For example, by moving an obstacle that has been trapped within a fixed time of about 0.5 to 2 seconds, for example, the door-end sensor 15 is in a sensing state, and the door is reopened again. Things can be removed. When the door end sensor 15 is not detected after a certain period of time, the electromagnetic lock 17 is activated, whereby the door is mechanically locked to enhance safety. At the same time, a door closing completion signal is transmitted to the general control device 31.
[0013]
FIG. 8 shows the layout of the electromagnetic lock according to the present embodiment. As shown in the figure, the electromagnetic lock 17 is attached to the door pocket portion 302 and has a mechanism in which the lock pin 1701 at the center of the electromagnetic lock moves up and down by electromagnetic force. Normally, when the lock pin 1701 is pulled up and the door 301 is fully closed, the lock pin 1701 is pulled down by a signal from the individual control panel 6. In the position where the door part 301 is in the fully closed state, a long lock hole 1702 is formed at the position of the door part 301 immediately below the lock pin 1701, and the lock pin 1701 enters the lock hole 1702. By this mechanism, the door part 301 is locked by the electromagnetic lock 17.
Here, in addition to the diameter of the lock pin 1701, the lock hole 1702 has a long hole shape of about 10 mm to 30 mm, for example, and the lock pin 1701 of the electromagnetic lock 17 is pulled down, that is, the door 301 is locked. As it is, a gap of about 10 mm to 30 mm (a certain distance that can be opened from a state where an obstacle outside the detection range of the door sensor is trapped in the door) can be opened in the door portion 301.
[0014]
FIG. 9 shows a flowchart of the platform door closing operation by the microcomputer control apparatus of this embodiment.
As shown in the figure, a door closing command is received from the general controller 31 and a door closing operation is started. In the middle of the closing operation, when a person or an obstacle is trapped between the doors and the door end sensor 15 detects the door, the door starts a reopening operation at that time. When the door resuming operation is completed, the door starts to close again. If the door sensor 15 is not detected such as there is no person or obstacle, the door is closed and the electromagnetic lock 17 is closed. The door is mechanically locked to increase safety. At the same time, a door closing completion signal is transmitted to the general control device 31.
When the door is mechanically locked when the door is closed, for example, when a thin cane is caught in the door, etc. When it is shaken, the door sensor 15 senses it, or at that time, the door resumes at a low speed at a constant distance within the slot size of the lock hole 1702. For example, by resuming about 10 mm to 30 mm, the stagnant cane can be removed. Moreover, the electromagnetic lock during the operation remains in a state where the lock pin 1701 is lowered, and the state does not change. Thereafter, the door is reclosed to complete the door closing. Of course, it is possible to set the sensing period of the door-end sensor 15 within a certain period of time, for example, within 20 seconds after the door closing completion signal is transmitted.
[0015]
10 to 12 show the specific platform door movement of the present embodiment.
FIG. 10 shows a region where a passenger with a cane passes through the door and the door is closed, the cane is caught between the doors, the tip of the cane is thin, and the door tip sensor cannot be detected. The door remains closed.
FIG. 11 shows a state in which, after the state shown in FIG. 10 , the passenger notices that the cane has been caught, and the cane is shaken, so that the door-end sensor senses and the door is opened.
As shown in the drawing, the opening dimension of the door is about 10 mm to 30 mm for removing the cane, and the electromagnetic lock 17 of the door is kept locked as described above.
FIG. 12 shows a state in which the passenger removes the cane after the state shown in FIG. 11 and then the door is closed.
As described above, the platform door of the present embodiment is about 10 mm to 30 mm with the door electromagnetic lock locked when a thin obstacle that is not detected by the door tip sensor is caught between the doors. By opening, it is possible to quickly remove obstructed obstacles.
[0016]
【The invention's effect】
As described above, according to the present invention, when the door of the platform equipped with the door tip sensor is closed, for example, a cane or the like is trapped between the doors, that is, the thickness of the obstacle that the door tip sensor senses. Even if there is a situation where the door closes, the door sensor can be detected by moving the obstructed obstacle immediately after the door closes, and the door is reopened. , Can quickly remove the obstructed obstacles.
In addition, the distance to be reopened is a narrow distance that passengers cannot pass (for example, about 10 mm to 30 mm), and in this case, the lock hole has a long hole shape and can be handled, without unlocking the electromagnetic lock, In the locked state, the obstacles can be removed quickly. On the other hand, the following passengers cannot pass, so there is no influence on the departure of the train. It can be a system.
[Brief description of the drawings]
FIG. 1 is an overall view of a platform door control system according to an embodiment of the present invention. FIG. 2 is a block diagram of an individual control panel according to the present invention. FIG. 3 is a mechanism diagram of a platform door according to the present invention. [Fig. 5] Arrangement of electromagnetic lock [Fig. 6] Flow chart according to conventional example [Fig. 7] Flow chart according to another conventional example [Fig. 8] Arrangement of electromagnetic lock according to the present invention [Fig. 9] Microcomputer according to the present invention FIG. 10 is a flowchart of the platform door according to the present invention. FIG. 11 is a diagram of the platform door according to the present invention. FIG. 12 is a diagram of the platform door according to the present invention.
DESCRIPTION OF SYMBOLS 1 ... Platform, 2 ... Platform fence, 3, 4 ... Platform door, 5 ... Platform door, 6-8 ... Individual control panel, 10 ... Motor, 12 ... Inverter, 13 ... Microcomputer controller, 14 ... Gate drive control circuit, 15 ... Door switch, 17 ... Electromagnetic lock, 1701 ... Lock pin, 1702 ... Lock hole, 20 ... Vehicle (lead car), 30 ... Station office, 31 ... General controller, 32 ... Station office display panel, 31 ... Total control device

Claims (1)

In a platform door control system having a platform door to be installed on a vehicle platform, a door-end sensor for detecting that an obstacle has accumulated in the door, and a mechanism for locking the door after the door is closed,
The door-locking mechanism includes an electromagnetic lock having a lock pin, and a hole for locking the lock pin is provided in the door, and the hole has a sensing range when the lock pin is locked. In addition to the diameter of the lock pin that moves a certain distance that the obstacle cannot be opened from the state where the obstacles are trapped in the door, passengers cannot pass through, and a lock hole in the shape of a long hole provided with a gap,
When the door closing completed, when said sensing range of the obstacle in the door head sensor is Tsu sandwiched in said door, said door leading end sensor detects by swinging the obstacle, to unlock the door lock without platform door control system the passenger said door is openable predetermined distance reopening of the obstacle that can not pass, and wherein after reopening, again closing the door.

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