JP2005246984A - Intra-station communication system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an intra-station communication system capable of enhancing flexibility to the change and expansion of the system and enhancing the maintainability of a control program. <P>SOLUTION: The communication system comprises communication terminals 2a-2c, platform door opening/closing devices 2d and 2e, an in-yard network 3 with the station yard being an area therefor, and an in-yard control device 4 which is connected to the in-yard network 3 and capable of exchanging information with a plurality of communication terminals via the in-yard network 3, and further comprises a connection permission control unit 11 to permit connection based on the connection request which is transmitted by the communication terminals including the identification address of a local station and received by each communication terminal via a common communication interface, an interface allocation control unit 12 to allocate the communication interface 13 for each communication terminal to the connection-permitted communication terminal, and an information processing unit 14 to exchange information with each communication terminal allocated with the communication interface 13 via the communication interface. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a communication system within a station, and more specifically, an improvement of a communication system within a station that can exchange information with a plurality of communication terminals such as a platform door opening / closing drive device via a local network having the station as an area. About.

  Conventionally, a station premises system that supports unmanned operation of railway vehicles in a station premises has been proposed (for example, Patent Document 1). This station premises system is provided with a platform door in order to ensure the safety of passengers on the station platform. The platform door is provided on the station platform (also called platform), and when the vehicle is not entering the station platform, the station platform and the track are shut off in a screen shape. Open and close.

  The above-mentioned station premises system includes a plurality of platform door opening / closing drive devices that perform opening / closing driving of the platform doors, a home operation panel that outputs an opening / closing instruction to each platform door opening / closing drive device based on an operation input by the station staff, and an opening / closing instruction. And a premises control device for controlling the driving of each home door opening / closing drive device. For example, when the vehicle arrives at the station platform, the arrival information is transmitted to the premises control device. Thereafter, when an opening instruction is output from the home operation panel, drive control for opening the home door is performed by the premises controller. This drive control is performed based on the arrival information and the opening instruction output from the home operation panel, and the home door is driven to open by each home door opening / closing drive device. When the passenger gets on and off, driving control is performed based on a closing instruction output from the home operation panel, and the home door is driven to close.

  In general, the equipment configuration such as the arrangement and the number of home door opening / closing drive devices and home operation panels differs depending on the route and the station. For this reason, in the conventional station premises system as described above, it is difficult to standardize the number and arrangement of platform doors, platform door opening / closing drive devices, platform operation panels, and premises control devices, and connection routes. In addition, in a conventional station premises system, in order to open and close the home door corresponding to the vehicle door even if the vehicle composition or stop position differs for each vehicle, each home door opening and closing drive device is grouped, and the home in a specific group Drive control is performed to open and close only the door. In this case, the specification and allocation of each grouped home door opening / closing drive device is different for each route or station, so that standardization is further difficult. Therefore, since a station premises system must be designed for each route or station, there is a problem that flexibility in changing or expanding the system is low.

In addition, the conventional station premises system is configured to manage system configuration information in a centralized manner so that each device constituting the station premises system can share the system configuration information. The interface disclosed by each device directly discloses the physical configuration of a memory that holds information in the device. In such a station premises system, each device connected to the station premises system knows the memory configuration of each device and the arrangement of information in the system, and if the memory address is not designated, the information is manipulated and obtained. I couldn't. For this reason, if you want to add a new device or delete it from the system, you must modify the system configuration information that is centrally managed and notify all the related devices of the change. There is also a problem that the maintainability of the control program constituting the system is low.
JP 2002-302032 A

  As described above, since the conventional station premises system is a control system based on the premise of a static system configuration, there is a problem that flexibility for changing and expanding the system is low. In addition, since the operation and acquisition of information is performed via the memory address in the system configuration information, there is a problem that the influence of local changes is likely to spread to the entire system, and the maintainability of the control program is low. .

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a station-premises communication system that improves the flexibility of system changes and expansions and improves the maintainability of a control program.

  A station-premises communication system according to the present invention includes a communication terminal, a premises network having a station premises as an area, and a premises controller connected to the premises network and capable of exchanging information with a plurality of the communication terminals via the premises network. The communication terminal transmits a connection request including the identification address of the local station, and the local control device receives the communication request via the communication interface common to the communication terminals. A connection permission unit that permits connection based on the connection request, an interface allocation unit that allocates a communication interface for each communication terminal to the communication terminal that is permitted to connect, and each communication terminal to which the communication interface is allocated It consists of information processing means for exchanging information via the communication interface. It is.

  According to such a configuration, the connection is permitted based on the connection request, and information is exchanged via the communication interface assigned to each communication terminal, so that the flexibility for changing and expanding the system can be improved. . Further, since a communication interface is assigned to each communication terminal, the maintainability of the control program can be improved. In particular, a plurality of home door opening / closing driving devices for opening / closing driving of a home door installed on a station platform facing a vehicle door, and each home door opening / closing driving device based on an operation input by a terminal operator. Home operation panel for transmitting an opening / closing instruction, a plurality of vehicle door opening / closing driving apparatuses for opening / closing driving of the vehicle door, and a vehicle for transmitting an opening / closing instruction of the vehicle door to each vehicle door opening / closing driving apparatus based on an operation input by a terminal operator It is suitable for a system using an operation panel or the like as a communication terminal.

  According to the in-station communication system according to the present invention, the connection is permitted based on the connection request, and information is exchanged via the communication interface assigned to each communication terminal, so that the flexibility for changing and expanding the system is improved. And maintainability of the control program can be improved.

Embodiment 1 FIG.
FIG. 1 is a diagram showing an example of a schematic configuration of a station-premises communication system according to Embodiment 1 of the present invention, in which communication terminals 2a to 2c and platform door opening / closing drive devices 2d and 2e as other communication terminals are provided. , A premises network 3 having a station premises as an area, and a premises control connected to the premises network 3 and capable of exchanging information with a plurality of communication terminals 2a to 2c and platform door opening / closing drive devices 2d and 2e via the campus network A station-premises communication system 1 comprising a device 4 is shown.

  The station-premises communication system 1 according to the present embodiment permits connection to the campus network 3 based on connection requests transmitted by the communication terminals 2a to 2c and the platform door opening / closing drive devices 2d and 2e, and a communication interface for each communication terminal. Information exchange.

  The communication terminals 2a to 2c are electronic devices that can transmit a connection request including the identification address of the local station, and are a home operation panel installed at both ends of the station platform A and a vehicle door that opens and closes the vehicle door. An opening / closing drive device, a vehicle operation panel installed in a cab of the vehicle, or the like is used.

  The home door opening / closing drive devices 2d and 2e are communication terminals that can transmit a connection request including the identification address of the own station, and perform opening / closing driving of the home door installed in the station platform A facing the vehicle door. ing.

  The connection request by the communication terminal is transmitted at a predetermined cycle, or is transmitted based on an operation input by the terminal operator, and when the connection to the local network 3 is permitted, information exchange is performed via a communication interface for each communication terminal. Is started. That is, when connection is permitted based on a connection request transmitted by a communication terminal, the communication terminal becomes a component of the station-premises communication system 1.

  The premise network 3 is a communication line network in the station premise, and connects the communication terminals 2a to 2c, the platform door opening / closing drive devices 2d and 2e, and the premise control device 4 by wire or wirelessly.

  The premises control device 4 performs connection permission based on the connection request, communication interface assignment, and information exchange with each communication terminal. The connection is permitted based on a connection request received via the local network 3.

  The communication interface is assigned by providing a communication interface for each communication terminal with respect to a communication terminal permitted to be connected. The communication interface for each communication terminal is an interface having different identification codes, communication frequencies, modulation schemes, etc. for information exchange, and can exchange information for each communication terminal. Information exchange with each communication terminal is performed via a communication interface for each terminal. Therefore, the system configuration of the on-site communication system 1 can be automatically changed by transmitting a connection request from the communication terminal.

  FIG. 2 is a block diagram showing an example of the details of the main part of the communication system within the station in FIG. 1, permitting connection based on the received connection request, assigning the communication interface 13 for each communication terminal, and exchanging information. A local controller 4 to perform is shown.

  The local control device 4 includes a connection permission control unit 11, an interface assignment control unit 12, a communication interface 13, and an information processing unit 14. The connection permission control unit 11 performs control to permit connection to the local network 3 based on a connection request received from a communication terminal via the local network 3. A connection request from a communication terminal is received via a communication interface common to each communication terminal. The connection permission for the local network 3 is performed based on the identification address included in the connection request. For example, only a communication terminal registered in advance is permitted to connect, and a connection response is returned.

  The interface assignment control unit 12 performs control to assign the communication interface 13 for each communication terminal to the communication terminal permitted to be connected. Further, based on a disconnection request for disconnecting the connection with the communication terminal, control is performed to cancel the assignment of the communication interface 13 to the communication terminal.

  The information processing unit 14 exchanges information with each communication terminal to which the communication interface 13 is assigned via the communication interface 13. Further, the disconnection request received via the communication interface 13 is output to the interface allocation control unit 12.

  That is, the interface assignment control unit 12 determines whether or not the communication terminal is a registered device to which the communication interface 13 has already been assigned based on the connection request. Is done. In this way, since the dedicated communication interface 13 is assigned to each registered communication terminal, the information processing unit 14 can execute information exchange with each communication terminal in parallel.

  For example, a processing request transmitted by a registered communication terminal is received by the corresponding communication interface 13 via the local network 3. Then, the received processing request is processed by the information processing unit 14, and when a return to the transmission source is necessary, the processing result is returned via the communication interface 13. In the case of a processing request (such as a disconnection request) related to the system configuration, it is output to the interface allocation control unit 12.

  FIG. 3 is a block diagram showing an example of the details of the main part of the in-station communication system of FIG. 1, showing a platform door opening / closing drive device. The home door opening / closing drive device includes a connection request generation unit 21, a communication control unit 22, an opening / closing drive unit 23, a sensor 24, and an actuator 25. The connection request generation unit 21 generates a connection request including the identification address of the own station. This connection request is generated at a predetermined cycle or is generated based on an operation input by the terminal operator, and is transmitted to the premises control device 4 by the communication control unit 22.

  The communication control unit 22 starts exchanging information based on the connection response from the local control device 4. The opening / closing drive unit 23 performs opening / closing drive of the home door based on the processing request received from the premises control device 4 via the communication control unit 22. The sensor 24 is a detector for detecting opening and closing of the home door and passengers in the vicinity of the door, and the opening and closing drive is performed based on such a detection result. The actuator 25 is a driving means for opening and closing the platform door.

  According to the present embodiment, the connection is permitted based on the connection request, and information is exchanged via the communication interface assigned to each communication terminal. Therefore, the flexibility for changing and expanding the system can be improved. . Further, since a communication interface is assigned to each communication terminal, the maintainability of the control program can be improved.

Embodiment 2. FIG.
FIG. 4 is a block diagram showing an example of the details of the main part of the in-station communication system according to Embodiment 2 of the present invention, and shows a control arithmetic unit 40 mounted on a communication terminal. The control arithmetic unit 40 according to the present embodiment includes a supervisor unit 41, a message communication unit 42, a configuration management unit 43, and a control command processing unit 44.

  The supervisor unit 41 performs control to allocate various functions to the message communication unit 42, the configuration management unit 43, and the control command processing unit 44. The message communication unit 42 performs message exchange (information exchange) via the local area network 3.

  The configuration management unit 43 manages devices (such as the sensor 24 and the actuator 25) that are additionally connected to the local station. Device management is performed based on the identification code. Further, the identification address of the own station, the function assigned to the own station, the name, the address of the local control device 4 and the like are managed.

  The control command processing unit 44 uses the sensor 24 and the actuator 25 to perform control command execution processing from the premises control device 4.

  In the supervisor unit 41, processing resources are allocated by time division multiplexing, and operations of the message communication unit 42, the configuration management unit 43, and the control command processing unit 44 are controlled. For example, in the case of a function that needs to be processed urgently, processing resources are reassigned using the importance as a criterion. This reallocation of processing resources is performed through interrupt processing or the like.

  In addition, the operation status of each function is monitored, and when an abnormality is recognized, the occurrence of a process abnormality is determined, and control for terminating the process is performed. As a case where an abnormality is recognized, when the message communication performed via the local area network 3 does not end and a deadlock occurs in the message communication unit 42 or the configuration management unit 43, an abnormality of the sensor 24 or the actuator 25 occurs. For example, the control command processing unit 44 may not be able to finish the process. Thereby, the message communication function by the message communication unit 42, the configuration management function by the configuration management unit 43, the command processing function by the control command processing unit 44, and the like can be executed in parallel.

Embodiment 3 FIG.
FIG. 5 is a diagram illustrating an example of a schematic configuration of a communication system within a station according to the third embodiment of the present invention, showing a state of the station when a train (vehicle) B2 enters the station platform A. Yes. The in-station communication system according to the present embodiment includes a home door opening / closing drive device 34, a home operation panel 35, a home operation terminal B4 possessed by station staff, an information terminal B3 possessed by passengers, a vehicle door opening / closing drive device 32, and a train B2. The vehicle operation panel 31 installed in the driver's cab and the ticket gate control device 37 installed at the ticket gate are provided as communication terminals. In addition, let the track be B1 and the area where the train B2 is considered to be entering is the station premises.

  The home operation panels 35 are installed at both ends of the station platform A, and transmit home door opening / closing instructions to the respective home door opening / closing drive devices 34 based on operation inputs by the terminal operator. The home operation terminal B4 and the information terminal B3 are portable communication terminals, and exchange information with the premises controller 4 via the premises network 36 wirelessly.

  The vehicle door opening / closing drive device 32 performs opening / closing drive of the vehicle door. The vehicle operation panel 31 transmits a vehicle door opening / closing instruction to each vehicle door opening / closing drive device 32 based on an operation input by the terminal operator. Here, when a train enters the station, the in-vehicle network 33 having the inside of the vehicle as an area becomes part of the on-site network 36 by wire or wireless via the transmission paths 38 and 39. The in-vehicle network 33 statically connects the vehicle door opening / closing drive device 32 to the vehicle operation panel 31 and dynamically connects the information terminal B3 in the vehicle.

  When the premises control device 4 receives an opening / closing instruction from the home operation panel 35, home operation terminal B4, or vehicle operation panel 31 via the premises network 36, the home door opening / closing drive device 34 and the vehicle door opening / closing drive are based on the contents of the instruction. Drive control of the device 32 is performed. For example, a passenger having the information terminal B3 is monitored based on information exchange between the information terminal B3 and the premises control device 4, and drive control for the platform door opening / closing drive device 34 is performed based on the number of passengers on the station platform A. Done. Alternatively, drive control is performed based on the number of passengers near the platform door.

  In addition, a passenger carrying the information terminal B3 is monitored based on information exchange between the information terminal B3 and the premises control device 4, and drive control for the vehicle door opening / closing drive device 32 is performed based on the number of passengers in the vehicle. Alternatively, drive control is performed based on the number of passengers near the vehicle door.

  That is, in a state where there is no train B2, passengers, or station staff, the home operation panel 35, the platform door opening / closing drive device 34, and the campus control device 4 are connected via the campus network 36. When a station staff appears on the station platform A and a connection request is transmitted by the home operation terminal B4 and the connection is permitted, the home operation terminal B4 is registered as a new device in the on-site controller 4 and the configuration of the on-site communication system of the station Become an element. When the passenger gets through the ticket gate, a connection request is transmitted from the information terminal B3. When the connection is permitted, the information terminal B3 is registered as a new device in the premises controller 4 and becomes a component of the system. .

  Further, when the train B2 moves on the track B1 and enters the station platform A, this entrance information is notified to the premises control device 4 through the transmission path 38. Then, when the train B2 stops at a predetermined position, the vehicle operation panel 31 and the information terminal B3 possessed by the passenger are connected to the local network 36 and become components of the system. At this time, the vehicle door opening / closing drive device 32 and the home door opening / closing drive device 34 at the platform door at a position facing the vehicle door are connected via the transmission path 39. As described above, the communication system within the station can dynamically change the configuration according to the components existing in the station.

  In the premises control device 4, the state is grasped based on message communication from each component, and the rationality of various controls is determined. The home door opening / closing drive device 34 exchanges messages with the opposite vehicle door opening / closing drive device 32 in response to the opening / closing command from the premises control device 4 to determine the rationality of the opening / closing command. Then, the opening / closing operation is executed according to the state of the own station and the surrounding situation. Therefore, the system configuration can be changed according to the presence or absence of the train B2, the presence of station staff, and the operating state of the platform door opening / closing drive device 34. Since system development can be carried out in stages, it is easy to incorporate new equipment to improve safety.

  According to the present embodiment, it is possible to realize rational control of the entire system while dynamically changing the system configuration.

It is the figure which showed an example of schematic structure of the in-station communication system by Embodiment 1 of this invention. It is the block diagram which showed an example of the principal part detail in the in-station communication system of FIG. It is the block diagram which showed an example of the principal part detail in the in-station communication system of FIG. It is the block diagram which showed an example of the principal part detail in the station premise communication system by Embodiment 2 of this invention. It is the figure which showed an example of schematic structure of the in-station communication system by Embodiment 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Station premise communication system, 2a-2c communication terminal, 2d, 2e Home door opening / closing drive device, 3 premise network, 4 premise control apparatus, 11 connection permission control part,
12 interface allocation control unit, 13 communication interface,
14 Information processing unit, 21 Connection request generation unit, 22 Communication control unit, 23 Opening / closing drive unit,
24 sensors, 25 actuators, 31 vehicle operation panels,
32 Vehicle door opening / closing drive device, 34 Home door opening / closing drive device, 35 Home operation panel,
37 ticket gate control device, 40 control arithmetic unit, 41 supervisor unit,
42 message communication unit, 43 configuration management unit, 44 control command processing unit, A station platform,
B1 track, B2 train, B3 information terminal, B4 home operation terminal

Claims (8)

In a station-premises communication system comprising a communication terminal, a campus network whose area is a station premises, and a campus controller connected to the campus network and capable of exchanging information with a plurality of the communication terminals via the campus network ,
The communication terminal transmits a connection request including the identification address of the local station,
The premises control device includes a connection permission means for permitting a connection based on the connection request received via a communication interface common to the communication terminals,
Interface allocating means for allocating a communication interface for each communication terminal to the communication terminal permitted to be connected;
An in-station communication system characterized by comprising information processing means for exchanging information via the communication interface for each communication terminal to which a communication interface is assigned. A plurality of home door opening and closing drive devices for opening and closing the home door installed on the station platform facing the vehicle door;
Based on an operation input by a terminal operator, a home operation panel that transmits a home door opening / closing instruction to each of the home door opening / closing drive devices is provided as the communication terminal,
2. The station-premises communication according to claim 1, wherein when the information processing unit receives the opening / closing instruction via the campus network, the information processing unit performs drive control of the platform door opening / closing driving device based on the content of the instruction. system. A portable home operation terminal for exchanging information with the information processing means wirelessly via the local network is provided as the communication terminal.
The in-station communication system according to claim 2, wherein the information processing means performs drive control of the home door opening / closing drive device based on an opening / closing instruction transmitted from the home operation terminal.   The information processing means monitors passengers possessing the communication terminal based on information exchange with the communication terminal, and performs drive control on the platform door opening / closing drive device based on the number of passengers on the station platform. The in-station communication system according to claim 2,   The information processing means monitors passengers possessing the communication terminal based on information exchange with the communication terminal, and performs drive control on each home door opening / closing drive device based on the number of passengers near the platform door. The station premises communication system according to claim 2. A plurality of vehicle door opening / closing drive devices for opening and closing the vehicle door;
Based on an operation input by a terminal operator, a vehicle operation panel that transmits a vehicle door opening / closing instruction to each of the vehicle door opening / closing drive devices is provided as the communication terminal,
When the vehicle enters the station platform, the information processing means performs drive control of the vehicle door opening / closing drive device based on the opening / closing instruction received as a part of the on-site network of the in-vehicle network. The in-station communication system according to claim 1.   The information processing means monitors a passenger carrying the communication terminal based on information exchange with the communication terminal, and performs drive control on the vehicle door opening / closing drive device based on the number of passengers in the vehicle. The station premises communication system according to claim 6.   The information processing means monitors a passenger carrying the communication terminal based on information exchange with the communication terminal, and performs drive control on each vehicle door opening / closing drive device based on the number of passengers near the vehicle door. The station premises communication system according to claim 6.

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