JP2012076582A - Train position information collecting system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a train position information collecting system which is configured and operated at low cost.SOLUTION: The train position information collecting system includes: tags 11a-11n disposed at the side of a line of a station or a branching point; a first tag reader/writer 21a and a first storage device 22a disposed in an outbound train bound from own line to the other line; and a second tag reader/writer 21b and a second storage device 22b disposed in a return trip train 2b bound from the other line to the own line. The tag transmits an ID response signal for indicating ID as soon as the same receives an ID request signal of a radio signal format. The first tag reader/writer outputs position information which summarizes setting information indicating the content of the ID response signal, date and time of the signal reception, a company code and a vehicle number which are preliminarily registered as soon as the same receives an ID response signal. The first storage device transmits a position information response signal as soon as the same receives a position information request signal. The second tag reader/writer outputs the content of the received position information response signal to be stored by the second storage device.

Description

  Embodiments described herein relate generally to a train position information collection system that collects train position information.

  By communicating with other companies' lines using a general wireless public communication line network, the vehicle's position accumulated at regular intervals using GPS (Global Positioning System) and other location-recognition technologies Some of them also determine the position of the vehicle even in other companies' line.

  In addition, a method for identifying the position of the vehicle by attaching an ID card to the vehicle and collecting the vehicle number has been proposed.

JP-A-4-189673 Japanese Patent Laid-Open No. 4-56777

  However, even if the position information does not require immediacy, there is a problem of cost in which a line usage fee is generated with respect to the number of vehicles to which a communication device is attached if a wireless public communication line is used.

  The problem to be solved by the present invention is to provide a train position information collection system that can be constructed and operated at low cost.

  The train position information collection system according to the embodiment includes a tag provided on the side of a station or a branch point, a first tag reader / writer provided on a forward train that operates a route from a company line to another company line, and a first tag reader / writer. And a second tag reader / writer and a second storage device provided on a return train that operates a route from another company line to the company line. When the tag receives the ID request signal in the wireless signal format, the tag transmits an ID response signal in the wireless signal format indicating the ID registered in advance. When the first tag reader / writer can receive the ID response signal corresponding to the ID request signal, the first tag reader / writer indicates the contents of the ID response signal, the reception date and time, the company code and the vehicle number registered in advance. Outputs position information that summarizes the setting information. The first storage device stores this position information and, when receiving a position information request signal in the form of a radio signal, transmits a position information response signal in the form of a radio signal indicating the stored position information. The second tag reader / writer outputs the content of the position information response signal when the position information response signal corresponding to the position information request signal can be received. The second storage device stores the contents of the position information response signal.

The block diagram which shows the structure of the train position information collection system of Example 1. Figure showing a specific example of information Diagram showing an example of position information detection within another company line The figure which shows the flowchart of processing The figure which shows the example of position information transmission between trains in the other company line Figure showing an example of collecting location information The block diagram which shows the structure of the train positional information collection system of Example 2. Diagram showing an example of position information transmission within other companies' lines Figure showing a specific example of information The figure which shows the flowchart of a positional information collection process Figure showing an example of collecting location information Flow chart of location information recording system installed on other companies' lines

  Embodiments of the present invention will be described below with reference to the drawings.

(1) System configuration The block diagram which shows the structure of the train position information collection system 1 of a present Example is shown in FIG. As shown in the figure, a train location information collection system 1 that collects location information of a train 2 in operation includes an IC tag 11 provided on the side of a railway station or a branch point, and an RFID provided on each train 2. (Radio Frequency Identification) comprises a reader / writer 21 and a storage device 22. The train 2 can communicate with the external system 200 including a clock device, a train centralized control device, and the like via the company line network 150 during operation on the company line.

  In the IC tag 11, IC tag setting information 101 associated with the installation location is set.

  The RFID reader / writer 21 detects the IC tag 11 provided on the side of the track through which the train 2 passes with an attached antenna, and reads the IC tag setting information 101 read from the IC tag 11 and the reading date and time regarded as the passing date and time. The data is written in the memory in the RFID reader / writer 21. RFID reader / writer setting information 102 is set in this memory, and the IC tag setting information 101, the passage date and time, and the RFID reader / writer setting information 102 are stored in association with each other as position information 103.

  The storage device 22 is, for example, an IC tag. The storage device 22 stores the position information 103 output from the memory in the RFID reader / writer 21.

  The configuration of each information will be described with reference to FIG.

  As shown in FIG. 2A, the IC tag setting information 101 is a tag ID (A) set for the IC tag 11, and is a conversion table prepared for each tag ID (A). Associated with the latitude and longitude of.

  Furthermore, the existing line section can be specified by a conversion table that associates the latitude and longitude with the block section (range) of the track.

  As shown in FIG. 2B, the RFID reader / writer setting information 102 includes a vehicle affiliation company code (A) and a vehicle number (C) set in the RFID reader / writer 21.

  As shown in FIG. 2 (3), the position information 103 includes a passing date / time (D) in which the reading date / time of the tag ID (A) from the IC tag 11 is regarded as a passing date / time of the train, a tag ID (A), a vehicle Consists of company code (I) and vehicle number (C). The latest information is added and the history is saved, but unnecessary past information is deleted according to the capacity of the storage device 22.

  In addition, as shown in FIG. 2 (4), not the tag ID itself but the longitude and latitude (f) derived from the tag ID by referring to the conversion table may be accumulated in the storage device 22.

  In this embodiment, taking the subway into account, the RFID reader / writer 21a provided on the train 2a detects the IC tag 11 installed at the station or branching point and collects position information. As shown in FIG. In addition, while traveling outdoors, the latitude and longitude may be received from the GPS periodically (for example, every 10 minutes).

(2) Processing Next, processing will be described with reference to the flowchart of FIG. Note that the circled numbers in FIG. 4 correspond to the circled numbers in FIG.

● Collection of location information during operation The vehicle affiliated company code (A) and vehicle number (U) set in the memory of the RFID reader / writer 21a are read (S401), and the IC tag 11 is made detectable. .

  When the train 2a approaches the IC tag 11 during operation (S402), the RFID reader / writer 21a provided in the train 2a detects the IC tag 11 (S403) and reads the tag ID (A) (S404). According to FIG. 2 (1), the tag ID (A) is 35.

  The reading date / time is regarded as the passing date / time of the train 2a at the point where the IC tag 11 is provided (S405), and the passing date / time (D) and the tag ID (A) are set in the RFID reader / writer 21a. In association with the code (A) and the vehicle number (C), the position information 103 is written in the memory in the RFID reader / writer 21.

  Further, the position information 103 output from the memory is stored in the storage device 22a provided in the train 2a (S406). According to FIGS. 2 (2) and 2 (3), for example, the passing date (D) is 2010/3/15 18:25:35, the tag ID (A) is 35, the vehicle belonging company code (A) 2062, the vehicle number. (C) 8401.

FIG. 5 shows a mechanism for transmitting the position information 103 between trains when the train 2a passes the train 2b that first returns to the company line.

  When approaching when the train 2a and the train 2b pass each other (S407), the RFID reader / writer 21b provided in the train 2b detects the storage device 22a which is an IC tag provided in the train 2a (S408).

  Then, the RFID reader / writer 21b reads the position information 103 stored in the storage device 22a (S409), and additionally stores it in the memory in addition to the already stored position information 103.

  Further, the additionally stored position information 103 is stored in the storage device 22b, which is an IC tag (S410).

  Instead of providing the IC tag on the train, the storage device 22 may be a nonvolatile memory device, such as a hard disk, a solid state disk, or an SD card. In addition, position information between trains may use a wireless communication technology such as a wireless LAN capable of ad hoc communication or a Bluetooth standard.

Collection of location information at the base The train 2b returns to the company line with the location information 103 of the passing train 2, for example, the train 2a, stored in the storage device 22b.

  If the crew member takes the storage device 22b, which is an IC tag, back to the office, the position information 103 can be collected.

  FIG. 6 is a diagram illustrating an example in which the position information 103 brought back by the train 2b is collected by the facilities on the ground side.

As shown in FIG. 6, when the storage device 22 is, for example, a hard disk or the like, a data collection device is provided at a place on the company line where the position information 103 can be collected quickly from the storage device 22b of the train 2b returned from the other company line, For the delivery of the position information 103, a wireless communication technology such as a wireless LAN capable of ad hoc communication or the Bluetooth standard may be used.

● Utilization of location information at bases A screen display program is installed in CTC (Centralized Traffic Control) that has the function of GIS (Geographic Information System) that constitutes the external system 200. . When the position information 103 is acquired from the data collection device, this screen display program converts it into latitude / longitude information, displays the vehicle number and time together, and displays it on a map by GIS.

  The acquired position information may be converted into a closed section, and the vehicle number and time may be displayed together and displayed as standing line information on the linear diagram.

  For the display of position information on railways, latitude and longitude information is used for display using GIS, and in the case of standing line display, such as display on a TID (Traffic Information Display) in CTC, it is converted to a closed section. However, they can be converted to each other at the final stage of display.

  According to the train position information collection system of the present embodiment, if the position information storage means provided in the train is IC-tagged by RFID, an apparatus for information processing at the time of passing is not mounted on the vehicle, so that further cost reduction can be realized. .

(1) System Configuration FIG. 7 is a block diagram showing the configuration of the train position information collection system of the second embodiment. As shown in the figure, a train location information collection system 1 that collects location information of a train 2 that is operating on another company's line includes an RFID reader / writer 51 and a storage device 52 that are provided beside a station or a branch line. And an IC tag 61 provided on each train 2.

  In the IC tag 61, IC tag setting information 111 of the train is set.

  The RFID reader / writer 51a detects the IC tag 61a with an attached antenna when the train 2a traveling on the outbound route from the company line to the other company's line passes nearby, and the IC tag setting information 111 read from the IC tag 61a. The reading date / time regarded as the passage date / time is written in the memory in the RFID reader / writer 51a. In this memory, RFID reader / writer setting information 112 is set, and the IC tag setting information 111, the passage date and time, and the RFID reader / writer setting information 112 are stored in association with each other as position information 113.

  The storage device 52a is, for example, an IC tag. The storage device 52a stores the position information 113 output from the memory in the RFID reader / writer 51a.

  The RFID reader / writer 51a detects the IC tag 61b with the attached antenna when the train 2b operating on the return route from the other company line to the company line passes nearby, and the IC tag setting read from the IC tag 61b is set. Based on the information 111, it is determined whether the train is in-house that requires location information.

  If it is determined that the train is the company's own train, the RFID reader / writer 51a reads the position information 113 from the storage device 52a and additionally stores it in the IC tag 61b.

  FIG. 8 shows an example of position information transmission in the other company line. In the figure, the position information is read from the train 2a and written to the train 2b by one RFID reader / writer 51a. Depending on the distance between the outbound route and the inbound route, the position information may be read from the train 2a and written to the train 2b by separate RFID reader / writers 51, respectively.

  The configuration of each information will be described with reference to FIG.

As shown in FIG. 9A, the IC tag setting information 111 includes a vehicle affiliation company code (A) and a vehicle number (C) set in the IC tag 61.

  As shown in FIG. 9B, the RFID reader / writer setting information 112 is a device ID (e) set in the memory in the RFID reader / writer 51, and is prepared for each device ID (e). It is associated with the latitude and longitude of the installation location in the conversion table.

  Furthermore, the existing line section can be specified by a conversion table that associates the latitude and longitude with the block section (range) of the track.

  As shown in FIG. 9 (3), the position information 113 includes a passage date / time (d) in which the reading date / time of the vehicle affiliation company code (A) and the vehicle number (C) is regarded as the passage date / time of the train from the IC tag 61, And device ID (e). The latest information is added and the history is saved, but unnecessary past information is deleted according to the capacity of the storage device 52.

(2) Processing Next, processing for collecting location information during operation will be described with reference to the flowchart of FIG. Note that the circled numbers in FIG. 10 correspond to the circled numbers in FIG.

Collection of location information during operation The apparatus ID (e) set in the memory in the RFID reader / writer 51a is read (S1001), and the IC tag 61 is made detectable.

  When the train 2a operating on the outbound route from the company line to the other company's line approaches the RFID reader / writer 51a (S1002), the RFID reader / writer 51a detects the IC tag 61a provided on the train 2a (S1003), The vehicle affiliation company code (A) and the vehicle number (C) are read (S1004). According to FIG. 9 (1), the vehicle affiliation company code (A) 2062 and the vehicle number (C) 8401 are shown.

  The reading date / time is regarded as the passing date / time of the train 2a at the point where the RFID reader / writer 51a is provided (S1005), and the passing date / time (D), vehicle company code (I) and vehicle number (C) are used as the RFID reader. In association with the device ID (e) set in the writer 51a, the position information 103 is written in the memory in the RFID reader / writer 51a.

  Further, the position information 113 output from the memory is stored in the storage device 52a (S1006). According to FIGS. 9 (2) and 9 (3), for example, the position information 113 includes the passage date and time (d) 2010/3/15 18:25:35, the device ID (e) 35, the vehicle company code ( ) 2062 and vehicle number (c) 8401.

● Detection of return train and addition of position information When the train 2b operating on the return route from the other company line to the company line approaches the RFID reader / writer 51a (S1007), the RFID reader / writer 51a is provided with an IC provided on the train 2b. The tag 61b is detected (S1008), and the vehicle affiliation company code (A) and the vehicle number (C) are read. According to FIG. 9 (4), the vehicle belonging company code (A) 2062 and the vehicle number (C) 9822 are shown.

  If the vehicle affiliation company code (A) is its own code, the RFID reader / writer 51a reads the position information 113 from the storage device 52a (S1009) and additionally stores it in the IC tag 61b (S1010).

  FIG. 9 (5) shows an example of the position information 113 after the addition.

● Collecting positional information from the returning train If the crew member brings the IC tag 61b back to the office, the positional information 113 can be collected.

  FIG. 11 shows an example in which the location information 113 stored by the train 2b in the IC tag 61b and brought back is collected by the equipment on the ground side. As shown in FIG. 11, for example, data composed of an RFID reader / writer 51n and a storage device 52n at a place on the company line where the position information 113 can be quickly collected from the IC tag 61b of the train 2b returned from the other company line. A collection device is provided, and the position information 113 is output to an external system via the in-house line network 150.

  Next, the process of collecting position information from the returned train will be described with reference to the flowchart of FIG. Note that the circled numbers in FIG. 12 correspond to the circled numbers in FIG.

  When the train 2b returned from the other company line approaches the data collection device provided in the company line (S1201), the RFID reader / writer 51n of the data collection device detects the IC tag 61b provided in the train 2b. (S1202), the stored position information 113 is read (S1203), saved in the memory, and saved in the storage device 52n (S1204).

  After collecting the position information 113, the position information 113 of the IC tag 61b is initialized (S1205).

  The position information 113 is output from the data collection device to the external system 200 such as an operation management system that requires specification of the train position, for example, via the company network 150.

  FIG. 9 (6) shows a state where the position information 113 of the IC tag 61b is additionally stored in the memory of the RFID reader / writer 51c.

  If the collected position information 113 is sorted by vehicle number or passage date and time, it can be displayed on a route map by an operation management system or the like.

  According to the train position information collection system of the embodiment described above, the position information of the company train that operates the outbound route from the company line to the other company line collected by RFID, the train that operates the return path from the other company line to the company line You can take it home, so you can grasp the location even in the subway without using a paid communication line.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 ... Train position information collection system 2 ... Train 11 ... IC tag 21 ... RFID reader / writer 22 ... Storage device 51 ... RFID reader / writer 52 ... Storage device 61- IC tag 101 IC tag setting information 102 RFID reader / writer setting information 103 Position information 111 IC tag setting information 112 RFID reader / writer setting information 113 Position information 150 ... In-house network 200 ... External system

Claims (5)

A tag for transmitting an ID response signal in a wireless signal format indicating a pre-registered ID when an ID request signal in a wireless signal format is received beside a railway line at a station or branch point;
When the ID response signal corresponding to the ID request signal is received on the outbound train that runs on the route from the company line to the other company's line, the contents of the ID response signal, the date and time of reception are registered in advance. A first tag reader / writer that outputs position information that summarizes the setting information indicating the company code and vehicle number of the company,
A first storage device that stores the position information and transmits a position information response signal in the form of a wireless signal indicating the stored position information when a position information request signal in the form of a wireless signal is received;
A second tag that is provided in a return train that runs on a route from another company's line to its own line, and that outputs the contents of the position information response signal when a position information response signal corresponding to the position information request signal is received. Leader / writer,
A second storage device for storing the contents of the position information response signal;
Train position information collection system. When the second storage device receives the position information request signal in the wireless signal format, the second storage device transmits a position information response signal in the wireless signal format indicating the stored position information;
A data collection device that is provided beside the line of its own line and outputs position information to an external system when a position information response signal is received from the second storage device in response to a position information request signal in the form of a radio signal ,
The train position information collecting system according to claim 1, comprising: It is installed in the outbound train that operates the route from the company line to the other company's line, and when it receives the setting information request signal in the radio signal format, it sets the radio signal format indicating the company code and vehicle number registered in advance An outbound tag that transmits an information response signal;
It is provided on the return train that runs on the route from the other company's line to the company's line, and when it receives the setting information request signal in the radio signal format, it sets the radio signal format indicating the company code and vehicle number registered in advance A return tag that transmits an information response signal;
If the setting information response signal from the forward tag corresponding to the setting information request signal is received by the station or branch point, the contents of the setting information response signal, the reception date and time, and registration in advance A tag reader / writer that outputs location information that summarizes the IDs
A storage device for storing the position information;
Have
The tag reader / writer is
When the setting information response signal from the return tag according to the setting information request signal can be received, a position information signal in a wireless signal format indicating the position information stored in the storage device is transmitted,
The return tag receives the position information signal and stores the position information.
Train location information collection system. When the return tag receives a position information request signal in the form of a radio signal, it transmits a position information response signal in the form of a radio signal indicating the stored position information,
If the position information response signal from the return tag corresponding to the position information request signal in the form of a wireless signal is received beside the line of the company line, a data collection device that outputs the position information to an external system,
The train position information collecting system according to claim 3. When the return tag receives a position information request signal in the form of a radio signal, it transmits a position information response signal in the form of a radio signal indicating the stored position information,
If the position information response signal from the return tag corresponding to the position information request signal in the form of a wireless signal is received beside the line of the company line, the collection tag reader / writer that outputs the position information,
A collection storage device for storing the location information;
The train position information collecting system according to claim 3.

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