WO2010087258A1 - 列車用通信システム及び列車用通信方法 - Google Patents
列車用通信システム及び列車用通信方法 Download PDFInfo
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- WO2010087258A1 WO2010087258A1 PCT/JP2010/050633 JP2010050633W WO2010087258A1 WO 2010087258 A1 WO2010087258 A1 WO 2010087258A1 JP 2010050633 W JP2010050633 W JP 2010050633W WO 2010087258 A1 WO2010087258 A1 WO 2010087258A1
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- 238000004891 communication Methods 0.000 title claims abstract description 583
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- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5038—Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
Definitions
- TCP / IP is well known as a communication protocol between devices.
- IP when communicating between devices, an IP address is used as information for identifying the device.
- TCP / IP it is necessary to assign a uniquely determined IP address to each device on the network.
- RARP Reverse Address Resolution Protocol
- each device broadcasts an RARP message to the network when it is activated.
- the RARP server on the network distributes the IP address to the transmission source device via the network in response to the RARP message.
- TCP / IP is used as a communication protocol between devices installed in a train organization. Since the train is operated in units of trains, it is necessary to set the IP addresses of the devices installed in the trains to different values within the trains. In particular, considering that trains are managed and maintained in units of trains, devices of the same model are assigned different IP addresses between vehicles within a train, and are placed at the same position within a train between trains. It is considered desirable to have the same IP address. Further, it is not necessary to assign the IP address to each device individually by hand every time the organization is configured, and it is desirable that the IP address is automatically set without duplication when the system is activated.
- the communication method for trains according to the present invention is configured in train formation composed of one or more vehicles, and is installed for each vehicle and is connected to the inter-vehicle communication path and the in-vehicle communication path.
- a communication method of a train communication system configured to include one or more communication terminal devices installed in the vehicle and connected by the communication relay device in the same vehicle and the in-vehicle communication path, The communication relay device acquiring vehicle information indicating an in-composition position of a vehicle in which the communication relay device is installed; the communication relay device sending the acquired vehicle information to the in-vehicle communication path; A step in which the communication terminal device receives the vehicle information from the in-vehicle communication path; and the communication terminal device is set without duplication for each model of the communication terminal device, and at least in the vehicle information And a step of determining the communication identification information to be given to the communication terminal device based at least on the correspondence table giving the communication identification information to be used in response, and the received vehicle information.
- the communication method for trains according to the present invention is configured in train formation composed of one or more vehicles, and is installed for each vehicle and is connected to the inter-vehicle communication path and the in-vehicle communication path.
- a communication method for a train communication system comprising: the communication relay device installed in the vehicle; and one or more communication terminal devices connected by the in-vehicle communication path.
- the communication terminal device sends a communication identification information request signal for requesting the communication relay device to transmit communication identification information to the in-vehicle communication path; and the communication relay device from the in-vehicle communication path.
- the step of receiving the communication identification information request signal, and the communication relay device acquires vehicle information indicating a position within the composition of the vehicle in which the communication relay device is installed, and is not duplicated for each model of the communication terminal device. Determining the communication identification information to be assigned to the communication terminal device based at least on a correspondence table that provides communication identification information to be used corresponding to the vehicle information and the vehicle information; and the communication relay A step of transmitting the determined communication identification information to the in-vehicle communication path; and a step of receiving the communication identification information from the in-vehicle communication path. To do.
- the communication identification information to be given to the communication terminal device is determined based on at least the vehicle information and the correspondence table set without duplication for each model. Gives different communication identification information between vehicles in the train, and can be given the same communication identification information when arranged at the position in the train specified by the same vehicle information between the trains There is an effect. Furthermore, since the communication terminal device acquires the communication identification information according to the vehicle information itself, the communication identification information is automatically set.
- FIG. 1 is a configuration diagram of a train communication system according to the first embodiment.
- FIG. 2 is a block diagram illustrating an internal configuration of the communication relay device and the communication terminal device according to the first embodiment.
- FIG. 3 is a sequence diagram for the communication terminal device to determine communication identification information in the train communication system according to the first embodiment.
- FIG. 4 is a diagram illustrating an example of a correspondence table of vehicle information and communication identification information included in the communication identification information determination unit in the first embodiment.
- FIG. 5 is a configuration diagram of the communication terminal apparatus according to the second embodiment.
- FIG. 6 is another configuration diagram of the communication terminal apparatus according to the second embodiment.
- FIG. 7 is a diagram illustrating an example of a correspondence table of the combination of vehicle information and in-vehicle position information and communication identification information used in the communication identification information determination unit in the second embodiment.
- FIG. 8 is a partial configuration diagram of a train communication system according to Embodiment 3 of the present invention.
- FIG. 9 is a block diagram of a train communication system according to Embodiment 4 of the present invention.
- FIG. 10 is a sequence diagram when the communication relay device determines communication identification information of the communication terminal device in the train communication system according to the fourth embodiment.
- FIG. 1 is a configuration diagram of a train communication system according to Embodiment 1 of the present invention.
- FIG. 1 shows a communication system configured in a formation comprising, for example, three vehicles 37, 38, 39, and includes a communication relay device 1-1 mounted on the vehicle 37 and a communication relay mounted on the vehicle 38.
- the device 1-2 and the communication relay device 1-3 mounted on the vehicle 39 are communicably connected by an inter-vehicle communication path 60 disposed between the vehicles.
- the vehicles 37 to 39 correspond to, for example, the first to third cars.
- two communication terminal devices 3-1 and 35-1 are installed, and these can communicate with the communication relay device 1-1 via the in-vehicle communication path 2-1. It is connected.
- two communication terminal apparatuses 3-2 and 35-2 are installed, and these can communicate with the communication relay apparatus 1-2 via the in-vehicle communication path 2-2. It is connected.
- two communication terminal apparatuses 3-3 and 35-3 are installed in the vehicle 39, and these communicate with the communication relay apparatus 1-3 via the in-vehicle communication path 2-3. Connected as possible.
- the number of vehicles constituting the train and the number of installed communication terminal devices of each vehicle may be arbitrary.
- FIG. 2 is a block diagram showing an internal configuration of the communication relay device and the communication terminal device according to the present embodiment.
- the communication relay device 1 is a general representation of the communication relay devices 1-1, 1-2, 1-3 of FIG. 1, and therefore, the communication terminal device connected to the communication relay device 1
- Reference numerals 3 and 35 denote two communication terminal apparatuses connected to any one of the communication relay apparatuses 1-1, 1-2 and 1-3.
- the communication relay device 1 includes a vehicle information acquisition unit 4, an in-vehicle communication interface 5, and an inter-vehicle communication interface 6.
- the vehicle information acquisition unit 4 acquires vehicle information (for example, a car number) indicating the in-composition position of the vehicle in which the communication relay device 1 is installed.
- vehicle information acquisition unit 4 uses a contact information interface (not shown) provided in the communication relay device 1 and uses a method of acquiring vehicle information by inputting a car number at the contact (contact information). (Refer to Embodiment 2 for an example of the interface.)
- the vehicle information acquisition part 4 there exists a thing using the method of acquiring vehicle information by transmission, for example by communicating with the vehicle management apparatus which is not shown in figure.
- the inter-vehicle communication interface 6 is a communication interface for data transmission / reception between vehicles connected to the inter-vehicle communication path 60.
- the communication relay device 1-1 of the vehicle 37 can perform inter-vehicle communication with the communication relay device 1-2 of the vehicle 38 via the inter-vehicle communication path 60 using its own inter-vehicle communication interface 6. it can.
- the in-vehicle communication interface 5 is a communication interface for in-vehicle communication connected to the in-vehicle communication path 2.
- the in-vehicle communication interface 5 is connected to the vehicle information acquisition unit 4 and the inter-vehicle communication interface 6, respectively.
- Communication between the own car's communication terminal devices is performed using the in-vehicle communication path 2. That is, communication between the communication terminal device 3 and the communication terminal device 35 is performed using the in-vehicle communication path 2.
- Communication between communication terminal devices across the numbered cars is performed via an in-vehicle communication path, an inter-vehicle communication path, and a communication relay device.
- the communication terminal apparatus 3-1 of the vehicle 37 passes through the in-vehicle communication path 2-1, the communication relay apparatus 1-1, the inter-vehicle communication path 60, the communication relay apparatus 1-2, and the in-vehicle communication path 2-2.
- communication with the communication terminal device 3-2 of the vehicle 38 is possible.
- FIG. 3 shows a sequence diagram for the communication terminal device 3 to determine communication identification information in the communication system.
- the communication relay device 1 periodically sends vehicle information 50 acquired by the vehicle information acquisition unit 4 to the in-vehicle communication path 2.
- the vehicle information 50 is information for specifying a position in the formation of the vehicle on which the communication relay device 1 is mounted, and corresponds to, for example, a car number.
- the communication relay device 1 sends the vehicle information 50 to the in-vehicle communication path 2
- all the communication terminal devices 3 and 35 connected to the in-vehicle communication path 2 transmit the vehicle information 50 so as to be received. .
- the communication terminal device 3 uses the communication identification information determination unit 7 to determine communication identification information to be given to the communication terminal device 3 based on at least the vehicle information 50 and a correspondence table described later. In the illustrated example, only the communication terminal device 3 is shown, but the same applies to the communication terminal device 35.
- FIG. 4 is a diagram illustrating an example of a correspondence table between vehicle information and communication identification information, which the communication identification information determination unit 7 has.
- the contents of the correspondence table are set without duplication depending on the model of the communication terminal device.
- a car number is used as vehicle information
- an IP address is used as communication identification information.
- the communication terminal device 3 includes the correspondence table shown in FIG. 4 at the communication identification information determination unit 7 and receives the vehicle information 50 from the communication relay device 1. To decide.
- the communication terminal apparatus 3 receives the car number “1” as vehicle information from the communication relay apparatus 1 of the first car. Subsequently, the communication identification information determination unit 7 determines “192.168.1.1” as the communication identification information based on the received car number “1” and the correspondence table. The same applies to the case where the communication terminal device 3 is installed in the second car, and the communication identification information is determined as “192.168.2.1”. As shown in FIG. 4, in the correspondence table of the communication identification information determination unit 7, vehicle information (car number) is used as the third octet of the communication identification information.
- the communication identification information of the communication terminal device 35 can be determined in the same manner.
- the communication terminal device 35 is a different model from the communication terminal device 3.
- the communication identification information determination unit 7 of the communication terminal device 35 has a correspondence table different from that in FIG.
- the communication terminal device receives the vehicle information from the communication relay device, and based on this vehicle information and the correspondence table set without duplication for each model, its own communication identification information To start communication. Therefore, according to the present embodiment, different communication identification information can be given to communication terminals of the same model between vehicles in the train. In addition, the same communication identification information can be given to communication terminal apparatuses of the same model that are arranged at the same position in the composition specified by the same vehicle information between the compositions. Furthermore, since the communication terminal device independently acquires the communication identification information, the communication identification information is automatically set when the system is started.
- this embodiment does not assign a different IP address to each communication terminal device every time the communication system is started. This is suitable for the train communication system.
- FIG. FIG. 5 is a configuration diagram of a communication terminal apparatus according to Embodiment 2 of the present invention.
- the communication terminal device 36 includes an in-vehicle communication interface 10, a position information acquisition unit 11 as an in-vehicle position determination unit, a communication identification information determination unit 12, and a cable connector 13.
- the communication terminal device 36 is assumed to be connected to the communication relay device 1 via the in-vehicle communication path 2 as in the case of FIG.
- the position information acquisition unit 11 acquires installation position information of the communication terminal device 36 in the vehicle. Such a function is preferably used to identify and distinguish each installation location when a plurality of communication terminal apparatuses of the same model are installed in the same vehicle.
- a contact information acquisition unit 14 is provided in FIG. 5, and this contact information acquisition unit 14 is provided between the pins 19 and 20 in the cable connector 13 connected to the in-vehicle communication path 2. Contact information is acquired according to whether or not there is a short circuit.
- the pin 19 and the pin 20 are connected by a connector (not shown), and the communication terminal device 36 has the position number “ In the case of being installed at the position “2”, the pins 19 and 20 are not connected.
- the photocoupler 15, the photocoupler power supply 16, the current limiting resistor 17, and the protective resistor 18 are closed circuit and a signal is output from the contact information acquisition unit 14, whereas in the latter case, contact information acquisition is performed. No signal is output from the unit 14.
- the position information acquisition unit 11 can distinguish between them, and outputs a signal corresponding to the position number “1” to the communication identification information determination unit 12 for the former, and the position number “2” for the latter. Can be output to the communication identification information determination unit 12.
- the position information acquisition unit 11 can distinguish between them, and outputs a signal corresponding to the position number “1” to the communication identification information determination unit 12 for the former, and the position number “2” for the latter. Can be output to the communication identification information determination unit 12.
- FIG. 6 is another configuration diagram of the communication terminal apparatus according to the second embodiment.
- the position information acquisition unit 11 includes, for example, two contact information acquisition units 14a and 14b.
- the circuit configuration of each of the contact information acquisition units 14a and 14b is the same as that of the contact information acquisition unit 14 of FIG.
- the contact information acquisition unit 14 a is connected to the pins 19 and 20, and the contact information acquisition unit 14 b is connected to the pins 41 and 42.
- a total of four position numbers can be identified by the combination of the presence / absence of connection between the pin 19 and the pin 20 and the presence / absence of the connection between the pin 41 and the pin 42.
- the pin 41 and the pin 42 are connected by a connector 43. In the case where more than four communication terminal devices are designated, the number of contact information acquisition units can be increased in the same manner.
- the position information acquisition unit 11 is based on the contact information (combination information on the presence / absence of short-circuit between a plurality of pairs of pins) incorporated in the cable connector 13 that is a communication connector.
- the inner position is determined.
- the means for acquiring contact information is not limited to the above example, and for example, using a power connector (not shown) of the communication terminal device 36 and making a determination based on the contact information incorporated in the power connector. It may be a thing.
- FIG. 8 is a partial configuration diagram of a train communication system according to Embodiment 3 of the present invention.
- two or more communication terminal devices such as the communication terminal device 22 and the communication terminal device 23 are connected in series to the communication relay device 21 in the same vehicle.
- the communication relay device 21 includes an in-vehicle communication interface 24 and a pulse transmitter 29 as a position determination signal generator, and although not shown in the figure, as in the case of FIG. An interface and a vehicle information acquisition unit are provided. Further, the communication terminal device 22 includes an in-vehicle communication interface 25 and a position information acquisition unit 27. Further, although not illustrated, the communication terminal device 22 includes a communication identification information determination unit as in the case of FIG. Yes. Similarly, the communication terminal device 23 includes an in-vehicle communication interface 26 and a position information acquisition unit 28. Further, although not illustrated, the communication terminal device 23 includes a communication identification information determination unit as in the case of FIG. ing.
- the communication relay device 21 includes a pulse transmitter 29 having a frequency f (Hz), and transmits this signal to the communication terminal device 22 as a position determination signal.
- the signal is transmitted through the in-vehicle communication path 2.
- the pulse transmitter 29 and the position information acquisition unit 27 are connected by the in-vehicle communication cable 2b, and the in-vehicle communication interface 24 and the in-vehicle communication interface are connected.
- a transmission path that is different from the in-vehicle communication cable 2a that connects to the vehicle 25 is used.
- the communication terminal device 22 divides this signal by two by the divide-by-two 30 in the position information acquisition unit 27 and transmits it to the communication terminal device 23.
- the communication terminal device 23 receives a signal having a frequency of f / 2 (Hz).
- the communication terminal device 23 divides the received signal by the 2 frequency divider 31 in the position information acquisition unit 28. Lap and transmit to the third communication terminal. Therefore, the third communication terminal apparatus receives a signal having a frequency of f / 4 (Hz). The same applies when a fourth communication terminal device (not shown) is further connected to the third communication terminal device.
- the communication terminal device 22 analyzes the reception frequency by the signal processing unit 32 and determines that the signal of the frequency f (Hz) is received.
- the communication terminal device 23 analyzes the reception frequency by the signal processing unit 33 and determines that a signal having a frequency of f / 2 (Hz) is received.
- the third communication terminal apparatus is connected to the communication terminal apparatus 23, and the third communication terminal apparatus determines that a signal having a frequency of f / 4 (Hz) is received.
- the frequency division ratio is 1 ⁇ 2, but the present invention is not limited to this, and other frequency division ratios may be used.
- the communication relay apparatus 21 is provided with a position determination signal generation unit that generates a position determination signal, and the communication terminal apparatuses 22 and 23 have the magnitude (for example, frequency, current value, voltage) of the received position determination signal.
- the position in the vehicle is determined from the value, the numerical value in the serial communication, and the like, and after the determination, the magnitude of the position determination signal is changed by a predetermined amount and transmitted.
- the amount of change in the position determination signal set in each communication terminal device is such that the size of the position determination signal output by each communication terminal device differs between the communication terminal devices 22 and 23. If it is. That is, the magnitudes of the position determination signals output from the respective communication terminal devices are different from each other.
- FIG. 9 is a block diagram of a train communication system according to Embodiment 4 of the present invention.
- the communication relay device 1 includes a vehicle information acquisition unit 4, an in-vehicle communication interface 5, an inter-vehicle communication interface 6, and a communication identification information determination unit 7.
- the communication terminal device 3 includes an in-vehicle communication interface 8 and a position information acquisition unit 9 as an in-vehicle position determination unit.
- the communication terminal device 35 includes an in-vehicle communication interface 8 and a position information acquisition unit 9.
- the position information acquisition unit 9 can have the same configuration as that described in the second and third embodiments.
- the communication relay device 1 is connected to the inter-vehicle communication path 60, and the communication relay device 1 and the communication terminal devices 3 and 35 are connected via the in-vehicle communication path 2.
- the communication identification information determination unit 7 provided in each communication terminal device in the first to third embodiments is provided in the communication relay device 1.
- the communication relay device 1 individually holds a correspondence table for each of the communication terminal devices 3 and 35 connected to itself by the in-vehicle communication path 2. That is, the communication relay device 1 holds a plurality of correspondence tables corresponding to the number of communication terminal devices.
- the format of the correspondence table is the same as that in FIG. 7, for example, and is set for each model without duplication, and communication identification information to be used is provided corresponding to vehicle information (car number) and position number. Others are as described in the first to third embodiments.
- FIG. 10 is a sequence diagram when the communication relay device 1 determines, for example, the communication identification information of the communication terminal device 3 in this communication system.
- the communication terminal device 3 whose communication identification information has not been determined sends a communication identification information request signal 40 to the in-vehicle communication path 2.
- the communication terminal apparatus 3 incorporates and transmits the in-vehicle position information 52 of the communication terminal apparatus 3 acquired by the position information acquisition unit 9 in the communication identification information request signal 40.
- the communication relay device 1 when receiving the communication identification information request signal 40 from the in-vehicle communication path 2, the communication relay device 1 inputs the in-vehicle position information 52 in the communication identification information request signal 40 to the communication identification information determination unit 7.
- the vehicle information acquired by the vehicle information acquisition unit 4 is input to the communication identification information determination unit 7.
- the communication identification information determination unit 7 uses the correspondence table corresponding to the communication terminal device 3 to determine the communication identification information 53 to be used corresponding to the in-vehicle position information 52 and the vehicle information.
- the communication identification information determination unit 7 sends the determined communication identification information 53 to the in-vehicle communication path 2. Then, the communication terminal device 3 receives the communication identification information 53 from the in-vehicle communication path 2, sets the communication identification information 53, and starts communication.
- the determination processing by the communication identification information determination unit 7 is the same as the determination processing performed inside the communication terminal device described in the second embodiment.
- the position information acquisition unit 9 of the communication terminal devices 3 and 35 can employ the ones shown in the second and third embodiments. For example, when the same configuration as that of the third embodiment is adopted, a plurality of communication terminal devices are connected in series to the communication relay device 1 via the in-vehicle communication path 2, and further, position determination is performed in the communication relay device 1. A signal generator is provided.
- each of the communication terminal devices 3 and 35 has the configuration including the position information acquisition unit 9.
- the configuration may not be provided as in the first embodiment, and in this case, the correspondence table is, for example, FIG. become that way.
- the determination process by the communication identification information determination part 7 is the same as the determination process performed inside the communication terminal device demonstrated in Embodiment 1.
- the communication relay device 1 is directed to the communication terminal device 3 in response to a request from the communication terminal device 3, for example. Communication identification information is transmitted.
- the communication terminal device 3 autonomously determines the communication identification information.
- the train communication system according to the present invention is useful for communication between vehicles and in a vehicle during formation.
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Abstract
Description
図1は、この発明の実施の形態1に係る列車用通信システムの構成図である。図1は、例えば3両の車両37,38,39からなる編成において構成された通信システムを示すものであり、車両37に搭載された通信中継装置1-1と車両38に搭載された通信中継装置1-2と車両39に搭載された通信中継装置1-3とが車両間にわたって配設された車両間通信路60によって通信可能に接続されている。車両37~39はそれぞれ例えば1~3号車に対応する。また、車両37においては、例えば2台の通信端末装置3-1,35-1が設置されており、これらはそれぞれ車両内通信路2-1を介して通信中継装置1-1と通信可能に接続されている。車両38においても同様に、例えば2台の通信端末装置3-2,35-2が設置されており、これらはそれぞれ車両内通信路2-2を介して通信中継装置1-2と通信可能に接続されている。さらに、車両39においても同様に、例えば2台の通信端末装置3-3,35-3が設置されており、これらはそれぞれ車両内通信路2-3を介して通信中継装置1-3と通信可能に接続されている。なお、編成を構成する車両数、及び各車両の通信端末装置の設置台数は任意でよい。
図5は、この発明の実施の形態2における通信端末装置の構成図である。図5において、通信端末装置36は、車両内通信インターフェース10と、車両内位置判別部としての位置情報獲得部11と、通信識別情報判定部12と、ケーブルコネクタ13とを備えている。通信端末装置36は、図2の場合と同様に、車両内通信路2を介して通信中継装置1と接続されているとする。
図8は、この発明の実施の形態3における列車用通信システムの部分構成図である。図8においては、同一車両内で通信中継装置21に、通信端末装置22、通信端末装置23などの例えば2台以上の通信端末装置が直列に接続されている。
図9は、この発明の実施の形態4に係る列車用通信システムの構成図である。図9に示すように、通信中継装置1は、車両情報獲得部4と、車両内通信インターフェース5と、車両間通信インターフェース6と、通信識別情報判定部7と、を有している。また、通信端末装置3は、車両内通信インターフェース8と、車両内位置判別部としての位置情報獲得部9とを有している。通信端末装置35も同様に、車両内通信インターフェース8と、位置情報獲得部9とを有している。位置情報獲得部9は、実施の形態2,3で説明したものと同様の構成とすることができる。通信中継装置1は車両間通信路60に接続され、通信中継装置1と通信端末装置3,35とが車両内通信路2で接続されている。
2 車両内通信路
3,35,36 通信端末装置
4 車両情報獲得部
5,8,10 車両内通信インターフェース
6 車両間通信インターフェース
7,12 通信識別情報判定部
9,11 位置情報獲得部
13 ケーブルコネクタ
14 接点情報獲得部
15 フォトカプラ
16 フォトカプラ用電源
17 電流制限抵抗
18 保護抵抗
19,20 ピン
37,38,39 車両
40 通信識別情報要求信号
50 車両情報
52 車両内位置情報
53 通信識別情報
60 車両間通信路
Claims (13)
- 1台以上の車両からなる列車の編成において構成された列車用通信システムであって、
前記車両ごとに設置され車両間通信路及び車両内通信路に接続された通信中継装置と、
前記車両内に設置され同一車両内の前記通信中継装置と前記車両内通信路により接続された1台以上の通信端末装置と、を備え、
前記通信中継装置は、
当該通信中継装置が設置された車両の編成内位置を示す車両情報を獲得し前記車両内通信路に送出する車両情報獲得部、
を有し、
前記通信端末装置は、
前記通信端末装置の機種ごとに重複なく設定され少なくとも前記車両情報に対応して使用すべき通信識別情報を与える対応テーブルを具備して、前記車両内通信路から受信した前記車両情報と前記対応テーブルとに少なくとも基づき当該通信端末装置に付与すべき前記通信識別情報を決定する通信識別情報判定部、
を有する、
ことを特徴とする列車用通信システム。 - 前記通信端末装置は、当該通信端末装置の車両内位置を判別する車両内位置判別部を有し、
前記対応テーブルは、前記車両情報及び前記車両内位置に対応して使用すべき通信識別情報を与え、
前記通信識別情報判定部は、前記車両内通信路から受信した前記車両情報と、前記車両内位置判別部によって判別された当該通信端末装置の車両内位置と、前記対応テーブルとに基づき、当該通信端末装置に付与すべき前記通信識別情報を決定することを特徴とする請求項1に記載の列車用通信システム。 - 同一機種の前記通信端末装置が前記車両内に複数台設置されている場合に、
前記各通信端末装置には、当該通信端末装置内の前記通信識別情報判定部により、当該通信端末装置の車両内位置に応じた前記通信識別情報が割り当てられることを特徴とする請求項2に記載の列車用通信システム。 - 前記車両内位置判別部は、前記通信端末装置の通信用コネクタ又は電源用コネクタに組み込まれた接点情報に基づいて前記車両内位置を判別することを特徴とする請求項2または3に記載の列車用通信システム。
- 前記通信中継装置と複数の前記通信端末装置とが前記車両内通信路により直列に接続され、
前記通信中継装置は、前記通信端末装置が車両内位置を判別するために利用する位置判別用信号を生成する位置判別用信号生成部を有し、
前記位置判別用信号生成部から出力された前記位置判別用信号は、前記各通信端末装置に順次送信され、
前記各通信端末装置は、前記車両内位置判別部により、受信した前記位置判別用信号の大きさから自身の車両内位置を判別するとともに、判別後はその位置判別用信号の大きさを前記通信端末装置間で互いに異なるように所定量変化させて、次の通信端末装置に送信することを特徴とする請求項2または3に記載の列車用通信システム。 - 1台以上の車両からなる列車の編成において構成された列車用通信システムであって、
前記車両ごとに設置され車両間通信路及び車両内通信路に接続された通信中継装置と、
前記車両内に設置され同一車両内の前記通信中継装置と前記車両内通信路により接続された1台以上の通信端末装置と、を備え、
前記通信中継装置は、
当該通信中継装置が設置された車両の編成内位置を示す車両情報を獲得する車両情報獲得部と、
前記通信端末装置の機種ごとに重複なく設定され少なくとも前記車両情報に対応して使用すべき通信識別情報を与える対応テーブルを前記通信端末装置ごとに具備して、前記通信端末装置に付与すべき前記通信識別情報を決定する通信識別情報判定部と、
を有し、
前記通信識別情報判定部は、前記通信中継装置が前記通信端末装置から送信された通信識別情報要求信号を受信すると、前記車両情報獲得部によって取得された前記車両情報と前記通信端末装置に応じた前記対応テーブルとに少なくとも基づき、前記通信端末装置に付与すべき前記通信識別情報を決定して、前記車両内通信路を介して前記通信端末装置に送信する、
ことを特徴とする列車用通信システム。 - 前記通信端末装置は、当該通信端末装置の車両内位置を判別する車両内位置判別部を有し、
前記通信識別情報要求信号には前記車両内位置判別部によって取得された車両内位置情報が含まれ、
前記対応テーブルは、前記車両情報及び前記車両内位置に対応して使用すべき通信識別情報を与え、
前記通信識別情報判定部は、前記車両情報と、前記通信識別情報要求信号に含まれる前記通信端末装置の前記車両内位置情報と、前記対応テーブルとに基づき、前記通信端末装置に付与すべき前記通信識別情報を決定することを特徴とする請求項6に記載の列車用通信システム。 - 同一機種の前記通信端末装置が前記車両内に複数台設置されている場合に、
前記各通信端末装置には、前記通信識別情報判定部により、当該通信端末装置の車両内位置に応じた前記通信識別情報が割り当てられることを特徴とする請求項7に記載の列車用通信システム。 - 前記車両内位置判別部は、前記通信端末装置の通信用コネクタ又は電源用コネクタに組み込まれた接点情報に基づいて前記車両内位置を判別することを特徴とする請求項7または8に記載の列車用通信システム。
- 前記通信中継装置と複数の前記通信端末装置とが前記車両内通信路により直列に接続され、
前記通信中継装置は、前記通信端末装置が車両内位置を判別するために利用する位置判別用信号を生成する位置判別用信号生成部を有し、
前記位置判別用信号生成部から出力された前記位置判別用信号は、前記各通信端末装置に順次送信され、
前記各通信端末装置は、前記車両内位置判別部により、受信した前記位置判別用信号の大きさから自身の車両内位置を判別するとともに、判別後はその位置判別用信号の大きさを前記通信端末装置間で互いに異なるように所定量変化させて、次の通信端末装置に送信することを特徴とする請求項7または8に記載の列車用通信システム。 - 前記通信識別情報は、IPアドレスであることを特徴とする請求項1~10のいずれか1項に記載の列車用通信システム。
- 1台以上の車両からなる列車の編成において構成され、前記車両ごとに設置されるとともに車両間通信路及び車両内通信路に接続された通信中継装置と、前記車両内に設置され同一車両内の前記通信中継装置と前記車両内通信路により接続された1台以上の通信端末装置とを備えて構成された列車用通信システムの通信方法であって、
前記通信中継装置が、自身が設置された車両の編成内位置を示す車両情報を獲得するステップと、
前記通信中継装置が、獲得した前記車両情報を前記車両内通信路に送出するステップと、
前記通信端末装置が、前記車両内通信路から前記車両情報を受信するステップと、
前記通信端末装置が、前記通信端末装置の機種ごとに重複なく設定され少なくとも前記車両情報に対応して使用すべき通信識別情報を与える対応テーブルと受信した前記車両情報とに少なくとも基づいて、当該通信端末装置に付与すべき前記通信識別情報を決定するステップと、
を含むことを特徴とする列車用通信方法。 - 1台以上の車両からなる列車の編成において構成され、前記車両ごとに設置されるとともに車両間通信路及び車両内通信路に接続された通信中継装置と、前記車両内に設置され同一車両内の前記通信中継装置と前記車両内通信路により接続された1台以上の通信端末装置とを備えて構成された列車用通信システムの通信方法であって、
前記通信端末装置が、前記通信中継装置に対し通信識別情報の送信を要求する通信識別情報要求信号を前記車両内通信路に送出するステップと、
前記通信中継装置が、前記車両内通信路から前記通信識別情報要求信号を受信するステップと、
前記通信中継装置が、自身が設置された車両の編成内位置を示す車両情報を獲得し、前記通信端末装置の機種ごとに重複なく設定され少なくとも前記車両情報に対応して使用すべき通信識別情報を与える対応テーブルと前記車両情報とに少なくとも基づき、前記通信端末装置に付与すべき前記通信識別情報を決定するステップと、
前記通信中継装置が、決定された前記通信識別情報を前記車両内通信路に送出するステップと、
前記通信端末装置が、前記車両内通信路から前記通信識別情報を受信するステップと、
を含むことを特徴とする列車用通信方法。
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CN201080005654.3A CN102307771B (zh) | 2009-01-27 | 2010-01-20 | 列车用通信***及列车用通信方法 |
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JP2013059210A (ja) * | 2011-09-08 | 2013-03-28 | Mitsubishi Electric Corp | 列車情報管理装置 |
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JP2015207115A (ja) * | 2014-04-18 | 2015-11-19 | コイト電工株式会社 | 画像表示装置 |
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Also Published As
Publication number | Publication date |
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JPWO2010087258A1 (ja) | 2012-08-02 |
CN102307771A (zh) | 2012-01-04 |
EP2383162A1 (en) | 2011-11-02 |
US20110286464A1 (en) | 2011-11-24 |
EP2383162A4 (en) | 2016-11-23 |
HK1165379A1 (en) | 2012-10-05 |
US8743873B2 (en) | 2014-06-03 |
CN102307771B (zh) | 2014-05-28 |
SG172917A1 (en) | 2011-08-29 |
JP4744645B2 (ja) | 2011-08-10 |
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