JPH1076951A - Method and device for blocking of train - Google Patents

Abstract

PROBLEM TO BE SOLVED: To set in single line section of minor railroads in substitution for an electronic blocking device, to improve economical efficiency, and to perform setting of blocking and cancellation of blocking by a central processing unit on a ground through communicating a discrimination number of every train with a ground. SOLUTION: When a train 1 arrives and stops at a station, a departure demand signal is transmitted from an antenna 3 on a train togetherwith the discrimination number of the train. When blocking of a blocking section wherein a train on which a departure demand is made runs to a next station is not set, setting of blocking is effected and a departure permission signal is transmitted and a departure permission light on a train is lighted ON. Meanwhile, when the train arrives at a next station and is stopped, a polling from a ground antenna 4b is received by the antenna 3 on a train to transmit a discrimination number. A stop signal is transmitted to a train, a stop signal light on a train is lighted ON, and a stop display signal and a discrimination signal are transmitted from the antenna 3 on a train and setting of blocking is cancelled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for controlling the block of a train in which block control between stations is centrally performed, and more particularly, as a block control for a single track section, transmission and reception of signals between the ground and a vehicle. With a small zone communication radio, receiving a stop signal and departure permission from the ground on the car,
In order to notify the crew by turning on the stop signal light and departure permission light, and to perform reliable block control, a departure request is issued from the car on the ground, and the central processing unit sets the block of the route of the requested train. A departure permit will not be issued unless completed, and the departure permit will have the identification number (train unique number) of the requested train and will be transmitted only to that train, always improving safety and reliability through a closed loop. The present invention relates to a method and an apparatus for controlling a block of a train.

[0002]

2. Description of the Related Art Heretofore, in places where single-track sections for small and medium-sized railways have not been turned into automatic signals, station staffs have to secure blocks and handle traffic signals and the like, and labor saving and modernization have been delayed. On the other hand, an electronic blockade device that introduces microelectronics to train detection using a track circuit to improve this is known. However, in this device, a track circuit must be installed in all premises as ground equipment. Especially in the station yard, track circuits must be subdivided. Therefore, equipment for continuously performing ground detection for train detection in all premises and equipment for interlocking with a ground signal, etc. become large-scale, and the equipment cost is economically expensive for single-track sections of small and medium-sized railways. This is the actual situation.

[0003]

As described above, the conventional electronic blockade device is uneconomical in a single track section of a small and medium railway. In addition, block control including a series of steps up to the detection of trains requires a large amount of equipment costs for ground signal and track circuits and maintenance costs thereof, which is uneconomical for small and medium-sized railways.

Accordingly, the present invention solves the above-mentioned conventional problems, and can be installed as an alternative to an electronic block device using a track circuit in a single track section of a small and medium-sized railway. A closed loop that exchanges the identification number of each train with the ground to enable block setting and block cancellation by the central processing unit on the ground, and to centrally control the stop signal and in-vehicle signal of permission to depart for each train by the central processing unit on the ground. Higher safety and reliability,
It is an object of the present invention to provide an economical train block control method and apparatus.

[0005]

In order to achieve the above object, a method for controlling the block of a train according to the first aspect of the present invention provides a method for controlling the departure request when a train arrives at a station and stops. When the central processing unit receives the departure request signal and the identification number via the ground antenna at the station and the repeater, the central processing unit sends the departure request train to the next station. Investigate the blocking status of the proceeding block section and, if the blocking is not set, perform the blocking setting for the train that has requested departure, and transmit a departure permission signal from the ground antenna via the repeater, When the on-board processing device receives the permission signal via the on-board antenna, the on-board processing device turns on the departure permission lamp on the vehicle, and when the train arrives at the next station and stops, the on-board processing device transmits the permission signal. Poe When the on-board antenna receives the broadcast and transmits the identification number, and the repeater receives this identification number via the ground antenna at the next station, the repeater confirms that there is a train and sends a stop signal to the train. When the stop signal is transmitted from the antenna and received by the on-board processing device via the on-board antenna, the on-board processing device turns on the stop signal light on the vehicle and a stop display signal indicating that the stop signal has been received. When the central processing unit receives the stop display signal and the identification number via the ground antenna and the repeater, the central processing unit cancels the block setting of the train with the identification number. Features.

According to a second aspect of the present invention, in the train blocking control method according to the first aspect, the on-vehicle antenna has a train identification number registered therein, and an internal power supply is self-held by a battery.

According to a third aspect of the present invention, there is provided a train block control method according to the first or second aspect, wherein after a departure request signal is transmitted or a departure permission lamp is turned on, the train is forced to stop due to some abnormality. In this case, the cancellation request signal and the identification number of the train are transmitted from the on-board antenna, and when the repeater receives the cancellation request signal and the identification number via the ground antenna at the station, the repeater sends a stop signal to the train. When the stop signal is transmitted from the ground antenna and the on-board processing device receives the stop signal via the on-board antenna, the on-board processing device transmits the stop display signal and the identification number from the on-board antenna, and identifies the stop display signal and the identification signal. When the central processing unit receives the number via the terrestrial antenna and the repeater, the central processing unit cancels the request for departure or cancels the block setting.

According to a fourth aspect of the present invention, there is provided a train block control device comprising: a vehicle-mounted antenna and a vehicle-mounted processing device mounted on a train; a ground antenna and a repeater installed at each of a plurality of stations; It has a central processing unit connected to a station repeater and a transmission cable, and departs between the central processing unit, the repeaters of a plurality of stations and the on-board processing device of the train via a ground antenna and an on-board antenna. This is a train route control device that sends and receives various control signals such as a request signal, a departure permission signal, a stop signal and a stop display signal, and sets or cancels a route in a block section of a traveling train. This control device operates a departure button operated by a crew member when the train arrives at the station and stops, a departure request relay operated by operating the departure button, and the operation of the departure request relay identifies the train from the on-board antenna. A departure request signal transmitted together with a number is received by a central processing unit, and a departure permission relay that operates when a departure permission signal transmitted from the central processing unit is received by a vehicle-mounted antenna after a block is set; Departure permission holding relay that operates by the operation of the above, a departure permission light that is turned on by the operation of this departure permission holding relay, and relaying by polling exchange between the ground antenna and the on-board antenna when the train arrives at the next station and stops Stop signal relay that operates when the stop signal transmitted from the device is received by the on-board antenna, and the stop signal relay A stop signal lamp that is characterized in that comprises the stop display relays to transmit the stop display of the car on the antenna operates by recovery of the starting permission holding relay to the ground antenna.

According to a fifth aspect of the present invention, there is provided the train block control device according to the fourth aspect, wherein the train is stopped due to some abnormality after transmitting the departure request signal or after the departure permission lamp is turned on. The vehicle includes a cancel button operated by a crew member, and a cancel request relay that is operated by operating the cancel button to transmit a cancel request signal and a train identification number from the onboard antenna to the ground antenna.

[0010]

FIG. 1 is a block diagram showing an embodiment of the present invention. FIG. 2 is a vehicle-mounted antenna mounted on a train, a vehicle-mounted processing device, an in-vehicle signal, a relay in a block of an operation panel, and the like. FIG. In FIG. 1, reference numeral 1 denotes a train, which is equipped with an on-board processing device 2, an on-board antenna 3, an in-car signal 9, and an operation panel 10. 4a, 4b and 5a, 5b are a plurality of stations (here, only station A and station B are shown)
And the repeaters 5a and 5b at these stations are connected to the respective ground antennas 4a and 4b and the central processing unit 6 by a transmission cable 7. Reference numeral 8 denotes a track of the train 1. These devices are installed in the single track section of small and medium railways. Car antenna 3
, The identification number of the train 1 is registered and the internal power supply is self-maintained by the battery, so even if the on-board equipment is temporarily down, necessary information such as the identification number is always retained at the time of restoration. It has become possible.

As shown in FIG. 2, the onboard processing unit 2 is provided with a departure permission relay 13 and a stop signal relay 21 connected to the onboard antenna 3 respectively. 14 is the departure permission relay 13
, 24 is a recovery contact of the departure permission relay 13,
22 is a recovery contact for the stop signal relay 21, 25 is a stop signal relay
21 operating contacts. The on-board processing device 2 is provided with a departure permission holding relay (GR) 15. Reference numerals 16 and 19 are operating contacts of the departure permission holding relay 15, and the operation contact 19 is a switch of a departure permission lamp (LK1) 20 provided on the in-vehicle signal 9. 17 and 23 are recovery contacts of the departure permission holding relay 15, and the recovery contact 17 is a stop signal light (L
K2) 18 switches. The onboard antenna 3 is provided with a departure request relay 12, a stop display relay 26, and a cancellation request relay 28, each of which is connected to the onboard processing device 2. The operation panel 10 is provided with a departure button 11 for activating the departure request relay 12 and a cancel button 27 for activating the cancellation request relay 28, which are connected to the onboard antenna 3 via the onboard processing device 2, respectively.

FIG. 3 shows a departure request signal between the central processing unit 6 and the repeaters 5a and 5b of the station A and the station B and the on-board processing unit 2 of the train 1 via the ground antennas 4a and 4b and the on-board antenna 3. A control signal processing sequence for transmitting and receiving various control signals such as a departure permission signal, a stop signal, and a stop display signal, and canceling the block setting or the block setting of the block section for the traveling train 1 is shown.

The operation of the above embodiment will be described with reference to the sequence shown in FIG. When the crew operates (presses) the departure button 11 of the operation panel 10 to request a departure from the train 1 stopped at the station A, the departure request relay on the on-board antenna 3
12 works. When the departure request relay 12 operates, the departure request signal and the identification number of the train 1 are transmitted from the on-vehicle antenna 3 to the ground antenna 4a, and the departure request signal and the identification number are confirmed by the repeater 5a. When the repeater 5a confirms, the departure request signal and the identification number are transmitted to the central processing unit 6 via the transmission cable 7 (see FIG. 3).

When the central processing unit 6 receives the departure request signal and the identification number, the central processing unit 6 checks the blocking state of the route to the next station where the train 1 travels, that is, the presence or absence of the train between the station A and the station B, and Check if there is a block request from another train or if another train has set a block. And if there is no block request or block setting from another train,
A block is set by locking the block with the identification number of the train 1 that issued the departure request signal between the A station and the B station, and the identification number and the departure permission signal are transmitted via the transmission cable 7 and the repeater 5a to the ground. The signal is transmitted from the antenna 4a to the on-board antenna 3 of the train 1. The on-vehicle antenna 3 checks whether the departure permission signal is for the train by the identification number sent together, and if it is for the train, activates the departure permission relay 13 of the on-vehicle processor 2. When the departure permission relay 13 is operated, the departure permission holding relay 15 is operated. When the departure permission holding relay 15 is operated, the departure permission light 20 on the in-vehicle traffic light 9 is turned on, and at the same time, the stop signal light 18 is turned off. 3).

When the train 1 departs from the station A, the on-vehicle antenna 3 and the ground antenna 4a are disconnected from each other by radio, and the train 1 cannot obtain a departure permission from the ground until it arrives at the station B. At this time, the departure permission holding relay
Fifteen operating contacts 16 are configured, so that a departure permit is retained until arrival at station B, or even after the departure permit is lost. In addition, repeaters 5a at station A and station B,
Although the train 5b cannot grasp the train after the train 1 has left the station, it always polls periodically and calls for no matter when the train arrives at the station (see FIG. 3).

Next, when the train 1 departing from the station A arrives at the station B and stops, the transponder 5 transmitting from the ground antenna 4b
The on-vehicle antenna 3 receives the polling of b. Upon receiving the polling, the on-vehicle antenna 3 transmits an identification number to the ground antenna 4b in response to this polling (see FIG. 3,
reference). When the repeater 5b confirms the identification number, it transmits a stop signal to the on-vehicle antenna 3 via the ground antenna 4b. When the on-vehicle antenna 3 receives the stop signal, the stop signal relay 21 of the on-board processing device 2 operates, and the departure permission holding relay 15 is restored by the operation of the stop signal relay 21. When the departure permission holding relay 15 is restored, the departure permission light 20 on the in-vehicle traffic light 9 is extinguished, and at the same time the stop signal light 18 is turned on (see FIG. 3).

When the departure permission holding relay 15 is restored, the stop display relay 26 operates, and the identification signal and the stop display signal are transmitted from the onboard antenna 3 to the ground antenna 4b by the operation of the stop display relay 26. When the repeater 5b confirms the stop display signal, the repeater 5b transmits the identification number and the stop display signal to the central processing unit 6 via the transmission cable 7. Then, when the central processing unit 6 confirms the identification number and the stop display signal, it unlocks the route between the station A and the station B set for the train 1, cancels the route setting, and allows other trains to set the route. (See FIG. 3).

Although not shown in the sequence of FIG. 3, the train 1 operates the departure button 11 once while the train 1 is stopped at the station A to transmit a departure request signal, or after the departure permission light is turned on, the train 1 In the case where the vehicle must be stopped due to some abnormality, the crew operates the cancel button 27 of the operation panel 10.
Then, the cancellation request relay 28 in the on-vehicle antenna 3 operates, a cancellation request signal is transmitted from the on-board antenna 3 to the ground antenna 4a, and this cancellation request signal is confirmed by the repeater 5a. When the repeater 5a confirms, the stop signal is transmitted from the ground antenna 4a to the on-vehicle antenna 3. When the on-vehicle processing device 2 receives the stop signal via the on-vehicle antenna 3, the on-vehicle processing device confirms this and outputs a stop signal relay 21.
To work.

When the stop signal relay 21 operates, the departure permission holding relay 15 is restored, whereby the stop signal light 18 on the in-vehicle traffic light 9 is turned on, and at the same time, the departure permission light 20 is extinguished. When the departure permission holding relay 15 is restored as described above,
The stop display relay 26 in the on-vehicle antenna 3 operates to transmit a stop display signal and an identification number from the on-vehicle antenna 3 to the terrestrial antenna 4a at the station A. The stop display signal and the identification number are transmitted to the terrestrial antenna 4a and the repeater. When the central processing unit 6 receives the information via 5a, the central processing unit unlocks the block secured by the train requested to depart and cancels the block setting.

[0020]

According to the first to third aspects of the present invention, the departure request signal is transmitted from the on-board antenna together with the train identification number when the train arrives at the station and stops.
When the central processing unit receives the departure request signal and the identification number via the terrestrial antenna and the repeater at the station, the central processing unit transmits the departure request to the next station. If the block is not set, the block is set for the train for which departure was requested, and a departure permission signal is transmitted from the ground antenna via the repeater, and the departure permission signal is transmitted to the on-board antenna. When the on-board processing unit receives the signal, the on-board processing unit turns on the departure permission lamp on the car, and receives the polling from the ground antenna when the train arrives at the next station and stops. When the repeater receives the identification number via the terrestrial antenna at the next station, the repeater confirms that there is a train, and transmits a stop signal to the train from the terrestrial antenna. When the on-board processing device receives the signal via the on-board antenna, the on-vehicle processing device turns on the stop signal light on the vehicle, and outputs a stop display signal indicating that the stop signal has been received and an identification number to the on-vehicle antenna. Sent from
When the central processing unit receives the stop display signal and the identification number via the ground antenna and the repeater, the central processing unit cancels the block setting of the train with the identification number. It is economical because it can be installed as an alternative to the electronic blocking device used.

If there is no departure permission from the ground except during an emergency, the departure permission lamp of the in-vehicle traffic light on the vehicle does not light up, and the signal stop or the like is kept lit, so that the reliability is high. In addition, the exchange of signals between the ground and the car uses signals using train-specific identification numbers, and the central processing unit controls and manages all lines, so it is extremely safe and inexpensive to perform block control. Can be provided as a security system. In addition, the station is only equipped with a ground antenna and a repeater, and signal control such as a departure signal is not provided on the ground. Block control is performed by a central processing unit, so that the station is compact. Furthermore, even if the on-board equipment is temporarily down, the information required at the time of restoration is always retained, so that there is no need to reset the identification number or the block status etc. compared to the block control by the previous point detection, Easy and reliable recovery.

According to the fourth and fifth aspects of the present invention, the above control can be easily realized by a relay circuit, and the control signal once permitted can be easily canceled. .

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a drawing showing an onboard antenna, an onboard processing device, an onboard signal, a relay in a block of an operation panel, and the like mounted on a train.

FIG. 3 is a diagram showing a sequence of control signal processing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Train 2 On-board processing unit 3 On-board antenna 4a, 4b Ground antenna 5a, 5b Repeater 6 Central processing unit 7 Transmission cable 8 Track 9 In-car signal 10 Operation panel 11 Departure button 12 Departure request relay 13 Departure permission relay 15 Departure permission Hold relay 18 Stop signal light 20 Departure permission light 21 Stop signal relay 26 Stop display relay 27 Cancel button 28 Cancel request relay

Claims (5)

[Claims] When a train arrives at a station and stops, a departure request signal and an identification number of the train are transmitted from an onboard antenna, and the departure request signal and the identification number are transmitted via a ground antenna and a repeater at the station. When the central processing unit receives the departure request, the central processing unit checks the block status of the block section in which the departure-requested train travels to the next station. When the on-board processing device transmits the departure permission signal from the ground antenna via the repeater and receives the departure permission signal via the on-board antenna, the on-board processing device When the train arrives at the next station and stops, the onboard antenna receives polling from the ground antenna and transmits an identification number, and transmits this identification number to the ground antenna at the next station. When the repeater receives the signal via the onboard antenna, the repeater confirms that there is a train, transmits a stop signal to the train from the ground antenna, and when the onboard processing device receives the stop signal via the onboard antenna, The on-board processing unit turns on the stop signal lamp on the vehicle, transmits a stop display signal indicating that the stop signal has been received and an identification number from the on-board antenna, and transmits the stop display signal and the identification number to the ground antenna and the repeater. A central processing unit that cancels the block setting of the train with the identification number when the central processing unit receives the information via the control unit. 2. The train block control method according to claim 1, wherein the on-vehicle antenna has a train identification number registered therein and the internal power supply is self-held by a battery. 3. If the train is forced to stop after transmitting a departure request signal or after the departure permission light is turned on, the cancellation request signal and the identification number of the train are transmitted from the on-board antenna, When the repeater receives the cancellation request signal and the identification number via the ground antenna at the station,
The repeater sends a stop signal to the train from a ground antenna,
When the on-board processing device receives the stop signal via the on-board antenna, the on-board processing device transmits the stop display signal and the identification number from the on-board antenna, and relays the stop display signal and the identification number to the ground antenna. 3. The method according to claim 1, wherein the central processing unit cancels the request for departure or cancels the block setting when the central processing unit receives the signal via the console. 4. An on-board antenna and an on-board processing device mounted on a train, a ground antenna and a repeater respectively installed at a plurality of stations, and a central unit connected to the repeaters of the plurality of stations by a transmission cable. A departure request signal, a departure permission signal, a stop signal and a stop indication between the central processing unit and the repeaters of a plurality of stations and the on-board processing unit of the train via a ground antenna and an on-board antenna. This is a train route control device that sends and receives various control signals such as traffic signals, and sets or cancels the route in the route section for the traveling train, when the train arrives at the station and stops. A departure button operated by a crew member, a departure request relay operated by operating the departure button, and an output transmitted together with the train identification number from the onboard antenna by the operation of the departure request relay. A departure permission relay that operates when a request signal is received by the central processing unit and a departure permission signal transmitted from the central processing unit after reception is set is received by the onboard antenna, and a departure that operates by the operation of the departure permission relay The permission hold relay, the departure permission light that is turned on by the operation of the departure permission hold relay, and the stop transmitted from the repeater by polling exchange between the ground antenna and the on-board antenna when the train arrives at the next station and stops A stop signal relay that operates when a signal is received by the on-vehicle antenna, a stop signal light that is turned on by the operation of the stop signal relay, and a stop display from the on-vehicle antenna to the ground antenna that operates by restoring the departure permission holding relay. And a stop display relay for transmitting a train signal. 5. A cancel button operated by a crew member when a train has to be stopped due to some abnormality after transmission of a departure request signal or after a departure permission light is turned on, and a button operated by operation of the cancel button. 5. The train block control device according to claim 4, further comprising a cancellation request relay for transmitting a cancellation request signal and a train identification number from the onboard antenna to the ground antenna.