JPH08198110A - Automatic door shutting device - Google Patents

Abstract

PURPOSE: To provide an automatic door shutting device which can prohibit door opening of a specific railroad car automatically. CONSTITUTION: Ground pieces 11, 12 are provided on the incoming side and outgoing side of a specific station and are given a command signal S1 to order shutting or its shut-releasing. An on-board piece 2 is coupled with the ground pieces 11, 12 and fed with a command signal S1 to command a shutting or shut-releasing. A processing circuit 3 emits an inhibit output S3 to prohibit door opening of a specific car 4n as the object to be shut for the output signal S2 of door opening given to the whole car in case the command signal S1 is a one to direct the shutting, and stops the inhibit output S3 when the command signal S1 is a one to command the shut releasing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic door closing device.

[0002]

2. Description of the Related Art When a vehicle arrives at a station, a conventional vehicle door opening / closing device operates when a crew member (conductor) turns on a switch for opening the door to open the door so that the vehicle leaves the station. To
The door opening switch is turned off to close the door. In the case of unmanned driving, the switch for opening the door is automatically turned on and off instead of the switch operation of the conductor.

In recent years, there is a tendency for vehicles to be lengthened in order to increase transportation capacity. For this reason,
At specific stations where it is not possible to expand the platform according to the length of the vehicle, the conductor manually operates a switch to treat the specific vehicle protruding from the platform as deadline.
After leaving a specific station, the conductor manually operates a switch to release the door deadline handling of the specific vehicle.

In addition, when the platform is curved and the space between the vehicle and the platform is wide open,
A similar door deadline will be applied by the conductor.

[0005]

However, the conventional door opening / closing device has the following problems. (A) If the conductor forgets to handle the deadline of the specific vehicle before the vehicle arrives at the specific station, the door of the specific vehicle opens and a passenger falls. (B) If the conductor forgets to release the door deadline handling of the specific vehicle after the vehicle departs from the specific station, the door of the specific vehicle cannot be opened at the station in front, which causes confusion in getting on and off. (C) In a high-density driving section around a large city, allowing the conductor to handle the deadline for specific vehicles at specific stations is
It is likely that you will forget to handle the door deadline due to entanglement with other tasks.

[0006] Therefore, an object of the present invention is to provide an automatic door closing device which can automatically prohibit the opening of a specific vehicle.

Another object of the present invention is to provide an automatic door closing device which can automatically release the prohibition of the opening of a specific vehicle.

Another object of the present invention is to provide an automatic door closing device which can automatically prohibit the opening of a specific vehicle regardless of the formation of the vehicle.

Another object of the present invention is to provide an automatic door closing device which consumes less power.

[0010]

In order to solve the above-mentioned problems, an automatic door shut-off device according to the present invention includes a ground element, a vehicle upper element, and a processing circuit. At least two ground elements are included, each of which is provided separately on the entrance side and the exit side of a specific station, and gives a command signal for instructing a deadline or a deadline release. The vehicle upper member and the processing circuit are provided in a specific vehicle that is a deadline target. The train car is coupled with the ground train to obtain a command signal for commanding a deadline or a deadline release. When the command signal is input and the command signal is a signal for commanding a deadline, the processing circuit prohibits opening of a specific vehicle to be a deadline for an output signal of door opening given to the entire vehicle. When the command signal is a signal for instructing release of the deadline, the suppression output is stopped.

Preferably, the car top and the processing circuit are
It is provided in the specific vehicle. More preferably, the processing circuit generates a power wave, and the car top transmits the power wave to the ground element to operate the ground element.

[0012] In another preferred example, the ground element has an inherent resonance frequency corresponding to a cutoff or a cutoff, and the processing circuit includes an oscillating circuit having the on-board child as a feedback circuit. The frequency is changed to the resonance frequency of the ground element, and a deadline or a cutoff is determined according to the changed frequency.

[0013]

Operation: At least two ground elements are provided, each of which is provided separately on the entrance side and the exit side of the specific station, and gives a command signal for instructing the deadline or the deadline release. The on-board child is coupled with the ground child and receives a command signal that commands a deadline or a deadline release. When the command signal is input and the command signal is a signal for instructing the deadline, the processing circuit inhibits the opening signal of the specific vehicle that is the deadline against the output signal of the door opening given to the entire vehicle. Cause For this reason, when a vehicle enters a specific station, the processing circuit automatically adds the suppression output that prohibits the opening of the specified vehicle to the output signal of the door opening given to the entire vehicle to automatically open the specified vehicle. It is possible to obtain an automatic door closing device that can be prohibited.

The processing circuit stops the inhibition output when the command signal is a signal for commanding the deadline release. For this reason,
(EN) An automatic door shut-off device that can stop the output of opening a door and automatically release the prohibition of the opening of a specific vehicle when the vehicle advances to a specific station.

In a preferred example in which the car top and the processing circuit are provided in a specific vehicle to be closed, the specific vehicle requiring the door closing can be automatically selected and the automatic door closing can be performed. Regardless of this, an automatic door closing device that can automatically prohibit the opening of a specific vehicle can be obtained. This allows
In the high-density operation section, it is possible to reduce the work of the crew members, improve the security of the door opening / closing operation, and ensure the safety of passengers.

In a preferred example in which the processing circuit generates a power wave and the car top transmits the power wave to the ground element to activate the ground element, the ground element is activated only when the automatic door deadline is required.
An automatic door closing device with low power consumption can be obtained.

Further specific features and advantages of the invention include:
A more detailed description will be given with reference to the drawings.

[0018]

1 is a block diagram showing the construction of an automatic door shut-off device according to the present invention. The automatic door shutoff device according to the present invention includes a grounding element 1, a car top element 2, and a processing circuit 3. Reference numeral 4 is a vehicle and 5 is a platform at a specific station. Vehicle 4
Is an n-car formation, and the n-th vehicle 4n protrudes from the platform and becomes a specific vehicle for the deadline. Vehicle 41-
4n each has a solenoid valve 411 to 4n1 for opening and closing the door.
When the solenoid valves 411 to 4n1 are excited, a door (not shown) of each vehicle is opened.

At least two ground elements 1 are included, and the ground elements 11 and 12 are separately provided on the entrance side and the exit side of a specific station, and give a command signal S1 for instructing a deadline or a deadline release. In the embodiment, the vehicle 4 travels in the X1 direction, and the ground element 11 is provided on the entry side to instruct the deadline.
And the ground element 12 is provided on the advancing side to give a command signal S1 for commanding cancellation of the deadline.

The vehicle top 2 and the processing circuit 3 are provided in the vehicle 4. The car top 2 is coupled with the grounding elements 11 and 12 to obtain a command signal S1 for commanding a deadline or a deadline release. When the instruction signal S1 is input and the instruction signal S1 is a signal for instructing the deadline, the processing circuit 3 prohibits the door opening of the specific vehicle 4n with respect to the door opening output signal S2 given to the entire vehicle 4. When the command signal S1 is the deadline release, the inhibition output S3 is stopped. In the embodiment, the door open output signal S2 is given by turning on the switch 6, and the inhibition output S3 is given at the contact R1 of the relay R. When the inhibition output S3 is generated, the contact R1 is turned off, and when the inhibition output S3 is stopped, the contact R1 is turned on. Therefore, the solenoid valve 4n1 of the specific vehicle 4n is excited when the switch 6 is on and the contact R1 is on, so that the door of the specific vehicle 4n is opened.

As described above, each of the ground elements 11, 12 is provided separately on the entrance side and the exit side of the specific station, and gives the command signal S1 for instructing the deadline or the deadline release. The car top 2 is coupled with the grounding elements 11 and 12 and receives a command signal S1 for commanding a deadline or a deadline release. Processing circuit 3
Is a restraining output for prohibiting the door opening of the specific vehicle 4n with respect to the door opening output signal S2 given to the entire vehicle 4 when the command signal S1 is input and the command signal S1 is a signal for commanding the deadline. Produces S3. Therefore, when the vehicle 4 enters a specific station, the processing circuit 3 adds the inhibition output S3 for prohibiting the opening of the specific vehicle 4n to the output signal S2 of the door opening provided to the entire vehicle 4, An automatic door closing device that can automatically prohibit the opening of the vehicle 4n can be obtained.

The processing circuit 3 stops the inhibition output S3 when the command signal S1 is a signal for commanding the deadline release.
Therefore, when the vehicle 4 moves out of the specific station, the automatic door closing device that can stop the door opening inhibition output S3 and automatically release the prohibition of opening the specific vehicle 4n can be obtained.

In the embodiment, the car top 2 and the processing circuit 3 are provided in the specific vehicle 4n to be the deadline. For this reason, it is possible to automatically select the specific vehicle 4n requiring the door deadline and perform the automatic door deadline, and it is possible to automatically prohibit the opening of the specific vehicle 4n regardless of the vehicle formation. A deadline device is obtained. As a result, in the high-density operation section, the work of the crew can be reduced, the safety of the door opening / closing operation can be improved, and the safety of passengers can be ensured.

Although not shown, the minimum unit of the vehicle formation is 2
When an even number of vehicles are used as the vehicles, the two vehicles may be the specific vehicles.

In the exemplary embodiment, the ground elements 11, 12 and the processing circuit 3 include transponders. In the processing circuit 3, the transponder 31 generates the power wave W1. The on-board child 2 transmits the power wave W1 to the ground elements 11 and 12 to operate the ground elements 11 and 12. The ground elements 11, 12 are generally called non-powered ground elements. The structure of the unpowered ground element and the operating principle of the transponder are described in "Introduction to Electricity for Railway Engineers, Signal Series No.7, ATS-A" issued by the Japan Railway Electrical Engineering Association.
TC ", pp. 35-40. Therefore, the ground elements 11 and 12 are operated only when the automatic door closing is required, and an automatic door closing device with low power consumption can be obtained.

In the embodiment, ground elements 13 and 14 are provided. The ground element 13 is provided side by side with the ground element 11, forms a dual system together with the ground element 11, and gives a deadline command signal S1. The ground element 14 is provided side by side with the ground element 12, forms a dual system together with the ground element 12, and gives a command signal S1 for canceling the deadline. With this configuration, 2 of the command signal S1
A heavy system is configured, and a highly reliable automatic door closing device can be obtained.

FIG. 2 is a block diagram showing the construction of another embodiment of the automatic door closing device according to the present invention. In the figure, the same reference numerals as those in FIG. 1 denote the same components.
This embodiment shows a case where the specific station is a return station. The ground elements 15 and 16 become the advancing side when the vehicle 4 turns back and travels in the X2 direction, and the deadline cancellation command signal S
Give one. According to this configuration, the processing circuit 3 includes the vehicle 4
In the case of traveling in the X1 direction, when the command signal S1 for instructing the closing deadline is received, the inhibition output S3 for the door open output signal S2 is stopped, and when the command signal S1 for instructing the deadline is received, the door open output is output. The suppression output S3 is added to the signal S2. Therefore, the automatic door closing device can automatically prohibit the opening of the specific vehicle 4n when the vehicle 4 arrives at the return station. Note that the command signal S1 instructing cancellation of the deadline in this case is already given before entering the specific station, and therefore has no substantial meaning.

When the vehicle 4 travels in the X2 direction, the processing circuit 3 adds the inhibition output S3 to the output signal S2 for opening the door when the command signal S1 for instructing the deadline is received, and commands the release of the deadline. When the command signal S1 is received, the inhibition output S3 for the door open output signal S2 is stopped. For this reason,
The automatic door closing device can automatically release the prohibition of opening the specific vehicle 4n when the vehicle 4 departs from the return station.

FIG. 3 is a block diagram showing the construction of still another embodiment of the automatic door closing device according to the present invention. In the figure, the same reference numerals as those in FIG. 1 denote the same components. In the present embodiment, the platform of the specific station is curved, and the space between the specific vehicle 43 and the platform 5 is wide open. The processing circuit 3 has a command signal S for instructing the deadline.
When 1 is received, the inhibition output S3 is added to the output signal S2 for opening the door, so that the opening of the specific vehicle 43 can be automatically prohibited. Therefore, it is possible to ensure the safety of passengers at the station where the gap between the specific vehicle and the platform is wide.

When each vehicle has an automatic door closing device,
By providing the ground element 11 for giving the command signal S1 of the deadline to the platform portion requiring the door deadline, and providing the ground element 12 for giving the command signal S1 of the deadline release to the platform portion not requiring the door deadline, the door deadline is required. Automatically select the appropriate vehicle,
The automatic door deadline of the vehicle can be easily performed.

FIG. 4 is a block diagram showing the configuration of still another embodiment of the automatic door closing device according to the present invention. In the figure, the same reference numerals as those in FIG. 1 denote the same components. The ground element 11 has a unique resonance frequency f1 corresponding to the deadline. The ground element 12 has a natural resonance frequency f2 corresponding to the release of the deadline. The processing circuit 3 includes an oscillating circuit 32 that uses the car top 2 as a feedback circuit. The oscillating circuit 32 constantly oscillates at the oscillation frequency f0 when the ground elements 11, 12 and the upper coil 2 are not coupled to each other.
2 and the car core 2 are coupled, the oscillation frequency becomes 1
The resonance frequencies f1 and f2 are changed to 1 and 12, respectively. The processing circuit 3 determines whether the deadline or the deadline is released according to the variable frequency (f1, f2). This is equivalent to the case where the command signal S1 is given. The operation of the variable-frequency oscillator circuit is described in "Introduction to Electricity for Railway Engineers," issued by the Japan Railway Electrical Engineering Association.
Signal Series No. 7, ATS / ATC ", pages 6 to 1
This is detailed on page 0. Also in this embodiment, since the ground elements 11, 12 do not require a power source, an automatic door shutoff device with low power consumption can be obtained.

[0032]

As described above, according to the present invention, the following effects can be obtained. (A) It is possible to provide an automatic door closing device that can automatically prohibit the opening of a specific vehicle. (B) It is possible to provide an automatic door closing device that can automatically release the prohibition of opening a specific vehicle. (C) It is possible to provide an automatic door closing device that can automatically prohibit the opening of a specific vehicle regardless of the formation of the vehicle. (D) It is possible to provide an automatic door closing device that consumes less power.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an automatic door closing device according to the present invention.

FIG. 2 is a block diagram showing the configuration of another embodiment of the automatic door closing device according to the present invention.

FIG. 3 is a block diagram showing the configuration of still another embodiment of the automatic door closing device according to the present invention.

FIG. 4 is a block diagram showing the configuration of still another embodiment of the automatic door closing device according to the present invention.

[Explanation of symbols]

 11, 12 Ground element 2 Vehicle element 3 Processing circuit 31 Transponder 4 Vehicle 4n Specific vehicle 411-4n1 Solenoid valve 5 Home S1 Command signal S2 Door open output signal S3 Suppression output

Claims (4)

[Claims] 1. An automatic door shut-off device including a grounding element, a car top element, and a processing circuit, wherein at least two grounding elements are included, each of which is divided into an entrance side and an entrance side of a specific station. Is provided for providing a command signal for instructing a deadline or a deadline release, wherein the car top is coupled with the ground element to obtain a command signal for instructing a deadline or a deadline release, and the processing circuit When the command signal is input and the command signal is a signal for instructing a deadline, a restraint output for prohibiting opening of a specific vehicle to be a deadline for an output signal of door opening given to the entire vehicle And the command signal is a signal for commanding cancellation of the deadline, the automatic shutoff device for stopping the inhibition output. 2. The automatic door closing device according to claim 1, wherein the vehicle upper member and the processing circuit are provided in the specific vehicle. 3. The automatic door shutoff device according to claim 1, wherein the processing circuit generates a power wave, and the car top transmits the power wave to the ground element. An automatic door shut-off device that operates the ground element. 4. The automatic door shutoff device according to claim 1, wherein the grounding element has a unique resonance frequency corresponding to a deadline or a release of the deadline, and the processing circuit includes the vehicle. An automatic door shutoff device including an oscillation circuit having an upper member as a feedback circuit, the oscillation frequency of which is changed to the resonance frequency of the ground member, and a deadline or a cancellation of the deadline is determined according to the changed frequency.