Classifications

• • 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
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B11/00—Communication cables or conductors
  • H01B11/02—Cables with twisted pairs or quads
  • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B3/00—Line transmission systems
  • H04B3/02—Details

Definitions

• the invention relates to the use of a multi-core cable with four twisted pairs, which are shielded against each other, or a light guide cable as a wiring for a rail vehicle.
• a rail vehicle usually comprises a fieldbus system, via which control data is transmitted, and an Ethernet system, via which further data are transmitted.
• Several devices of the rail vehicle are connected to each other for data exchange via the fieldbus system and / or via the Ethernet system.
• the rail vehicle comprises a first cable which connects several devices of the rail vehicle to one another and which forms the fieldbus system.
• the first cable can, for example, a multi-core cable with two wires twisted against each other, d. H. with a twisted pair of wires. If a higher data rate is required in the fieldbus system, the first cable can also be a multi-core cable with two twisted pairs.
• a multi-core cable with at least one twisted pair is often also referred to as a twisted pair cable.
• the rail vehicle also includes a second cable that connects the multiple devices and that forms the Ethernet system.
• the second cable is usually a multi-core cable with two twisted pairs.
• An object of the invention is to provide an alternative wiring for a rail vehicle.
• the object is achieved by using a multi-core cable with four twisted pairs, each of which is shielded against the other, or an optical fiber cable as cabling for a rail vehicle.
• control data is transferred via a fieldbus system and further data via an Ethernet system.
• all data are transmitted via the common cable.
• the object is preferably achieved by a method for data transmission using cabling in a rail vehicle, control data being transmitted via a fieldbus system and further data being transmitted via an Ethernet system.
• all data are preferably transmitted via a common cable, the cable being designed as a multi-core cable with four twisted pairs in each case, which are shielded from one another, or as an optical fiber cable.
• control data and other data are transmitted via the common cable, in particular the multi-core cable or the light guide cable.
• the common cable in particular the multi-core cable or the fiber optic cable, can accommodate both the fieldbus system and the Ethernet system.
• the common cable can form the fieldbus system and, in particular simultaneously, the ethernet system.
• the control data preferably include such data which are required for controlling the vehicle.
• the control data can include setpoints, monitoring data and / or diagnostic data.
• the control data are expediently safety-relevant.
• Passenger information data can be understood to mean data which are intended for a passenger and / or which come from a passenger.
• Passenger information data can e.g. Internet data, infotainment data and / or seat reservation data include.
• the passenger information data e.g. B. Video surveillance data to monitor the passenger compartment include.
• Ethernet system is at least a 100 Mbit Ethernet system. That way, about that
• Ethernet system a data transfer rate of at least 100 Mbit / s can be achieved.
• the multi-core cable each with four twisted pairs, is preferably a twisted pair cable with four pairs. It is also useful if each pair of wires has two wires twisted against each other.
• wire pairs are shielded against one another. In this way, a disturbance of a data transmission over one of the wire pairs is reduced and / or avoided by a further data transmission over another of the wire pairs.
• each pair of wires has a pair of shields.
• each pair of wires can be braided with a wire and / or shielded with a metallic foil his.
• the pair shielding can have, for example, a wire mesh and / or a metallic foil.
• two of the wire pairs of the multi-wire cable form the fieldbus system for the transmission of the control data.
• the control data are expediently transmitted via precisely these two wire pairs of the multi-wire cable.
• the other two wire pairs of the multi-wire cable form the Ethernet system for the transmission of the further data.
• the further data are expediently transmitted via precisely these other two wire pairs of the multi-wire cable.
• the two wire pairs which form the fieldbus system are preferably opposite wire pairs. It is also expedient if the other two wire pairs which form the Ethernet system are also opposite wire pairs.
• the multi-core cable has a common overall shield. It is useful if the overall shielding surrounds all wire pairs of the multi-wire cable. In this way, interference with data transmission within the multi-core cable is reduced and / or avoided by external influences.
• the common overall shielding of the multi-core cable can have a wire mesh and / or a metallic foil.
• the multi-core cable preferably corresponds to at least Category 7 cable. This means that the multi-core cable is preferably at least one CAT-7 cable, also Category 7 cable. The multi-core cable can also correspond to a higher cable category.
• the data is expediently transmitted in the form of electrical signals via the multi-core cable.
• a light guide cable is provided instead of the multi-core cable.
• the data are expediently transmitted in the form of optical signals via the light guide cable.
• a light guide cable can be a fiber optic cable, for example.
• the light guide cable has several transmission channels.
• the fieldbus system for transmitting the control data preferably forms at least one first transmission channel of the light guide cable. This means that the control data are preferably only transmitted via the at least first transmission channel.
• the Ethernet system preferably forms at least one other transmission channel for the transmission of the further data. This means that the further data are preferably only transmitted via the at least one other transmission channel.
• control data and the further data can be transmitted via different transmission channels.
• the at least one other transmission channel differs from the at least one first transmission channel.
• the different transmission channels can use different frequencies. That is, the control data are advantageously transmitted at at least one different frequency than the further data.
• Data to be sent are preferably / are addressed via the optical fiber cable.
• data to be sent via the light guide cable can be addressed using a router.
• Data transmitted, ie sent, via the optical fiber cable can be received, in particular by a router.
• WEI Control data can be separated from further data, in particular by means of the router.
• the separate data can be forwarded as separate signals, in particular via separate lines, in particular by means of the router.
• the latter router can be the same as the router mentioned above - in connection with the addressing. Furthermore, the latter router can be another router.
• data to be sent via the fiber optic cable can be addressed using a first router.
• the addressed data can be sent via the fiber optic cable.
• the addressed data which can include control data and / or further data, can be received by a second router, for example, and control data can be separated from further data by means of the second router. The same can be done vice versa.
• the invention is also directed to a rail vehicle.
• the rail vehicle comprises several devices, a fieldbus system which is set up for the transmission of control data, and an Ethernet system which is set up for the transmission of further data.
• the plurality of devices are preferably connected to one another via the fieldbus system and / or via the Ethernet system.
• At least some of the devices are preferably connected to one another via the field bus system. It is further preferred if at least some of the devices are connected to one another via the Ethernet system.
• At least some of the devices are expediently connected to the fieldbus system. It is also useful if at least some of the devices are connected to the Ethernet system is.
• the plurality of devices are preferably connected to the fieldbus system and / or to the Ethernet system.
• the rail vehicle according to the invention has a Mehradernka bel with four pairs of wires, which are shielded against each other, or a light guide cable as wiring.
• the cabling in particular the multi-core cable or the fiber optic cable, connects the several devices to one another and is set up to transmit all data.
• the cabling in particular the multi-core cable or the optical fiber, is preferably set up to transmit both the control data and the further data.
• the cabling is preferably set up to transmit all data over a common cable, in particular in particular over the multi-core cable or the light guide cable.
• the rail vehicle can be the rail vehicle mentioned in connection with the use.
• the multi-core cable is expediently connected to at least one of the several devices of the rail vehicle via a fully-populated eight-pole plug connection.
• the multi-core cable with a vehicle control of the
• the Mehradernka bel can be connected to at least some of the multiple devices via a fully populated eight-pin connector.
• the at least one device which is connected to the multi-core cable via a fully equipped eight-pin plug connection, is preferably connected both to the fieldbus system and to the Ethernet system.
• the multi-core cable can be used with the multiple devices of the rail vehicle, in particular with all devices of the rail vehicle, each connected via a fully populated eight-pin connector.
• the fully populated eight-pin connector can have an 8P8C modular plug and / or an 8P8C modular socket.
• the fully populated eight-pin connector can have an RJ-45 plug and / or an RJ-45 socket.
• the eight-pin connector can have an M12-X-coded plug and / or an M12-X-coded socket.
• a light guide cable is provided instead of the multi-core cable.
• the light guide cable can be connected to the multiple devices of the rail vehicle via a router.
• Each of the routers can be set up to address the data to be sent / transmitted. Furthermore, each of the routers can be set up to receive the transmitted data. Furthermore, each of the routers can be set up to separate control data from further data. In addition, each of the routers can be set up to forward the separate data as separate signals, in particular via separate lines.
• the light guide cable can be connected to a first device of the rail vehicle via a first router. Furthermore, the light guide cable can be connected to a second device of the rail vehicle via a second router.
• data to be sent from a first device can be addressed using the router.
• the addressed data can be sent via the fiber optic cable.
• the addressed data which can include control data and / or further data, can for example are received by a second router, which forwards the data to a second device.
• Show it: 1 shows a rail vehicle with a multi-core cable or a light guide cable as wiring
• FIG. 3 shows the multi-core cable from FIG. 2, which is connected to a device
• FIG. 5 shows the light guide cable from FIG. 4, which is connected to a device.
• the rail vehicle 2 has a fieldbus system 6, which is set up for the transmission of control data.
• the rail vehicle 2 has an Ethernet system 8, which is set up for the transmission of further data.
• the plurality of devices 4 are connected to one another via the fieldbus system 6 and / or via the Ethernet system 8. At least some of the devices 4 are connected to one another via the fieldbus system 6. Furthermore, at least some of the devices are connected to one another via the Ethernet system 8.
• a device 4 of the rail vehicle 2 can, for. B. each be a vehicle controller, a brake, a drive unit, a door, a passenger information device or the like.
• the rail vehicle 2 comprises a cabling 10.
• the cabling 10 can either be a multi-core cable 12 with four core pairs 14, which are shielded from one another (cf.
• FIG 2 or as a fiber optic cable 16 (see FIG. 4) be trained.
• the wiring 10, ie the multi-core cable 12 or the optical fiber cable 16, connects the several devices 4 miteinan.
• the wiring 10, ie the Mehradernka bel 12 or the optical fiber cable 16, is set up to transmit all data.
• the further data can include, for example, passenger information data.
• FIG. 2 shows a cross section through a cabling 10 designed as a multi-core cable 12 for the rail vehicle in FIG. 1.
• Each pair of wires 14 comprises two wires 18 twisted against each other.
• Each wire 18 has a conductor 20, for example made of copper.
• each wire 18 has an insulation 22 which surrounds the conductor 20.
• data on the conductors 20 of the cores 18 of the multi-core cable 12 can be transmitted in the form of electrical signals.
• Each of the wire pairs 14 has a wire shield 24. In this way, the wire pairs 14 are shielded against one another.
• the wire shield 24 comprises aluminum foil in this example.
• Two of the wire pairs 14 of the multi-wire cable 12 form the fieldbus system 6 for the transmission of the control data.
• the two pairs of wires 14, which form the fieldbus system 6, lie opposite each other.
• the other two wire pairs 14 of the multi-wire cable 12 form the Ethernet system 8 for the transmission of the further data.
• These other two wire pairs 14, which form the Ethernet system 8, are also opposite one another.
• control data are transmitted via pairs 14 other than the other data.
• the multi-core cable 12 comprises a common overall shield 26.
• the overall shield 26 surrounds all pairs of wires 14.
• the overall shield 26 comprises a copper braid in this example.
• the multi-core cable 12 includes a sheath 28, which cher the overall shield 26 - and thus all pairs 14 - surrounds.
• the multi-core cable 12 may further have a filling material 30 which fills the cavity between the pairs of wires 14.
• the multi-core cable 12 corresponds to at least cable category 7. This means that the cable is at least a CAT-7 cable.
• the data transfer rate of the Ethernet system 8 is at least 100 Mbit. This means that the Ethernet system 8 is at least a 100 Mbit Ethernet system.
• the multi-core cable 12 is connected to at least some of the multiple devices 4 of the rail vehicle 2 from FIG. 1 via a fully populated eight-pin connector 32.
• FIG 3 shows an example of a connection from the Mehradernka bel 12 with one of the several devices 4 via a fully populated eight-pin connector 32.
• the fully populated eight-pin connector 32 includes an 8P8C modular connector 34 and an 8P8C modular connector 36.
• the multi-core cable 12 has the 8P8C modular connector 34 at its end.
• the device 4 also has the 8P8C modular socket 36.
• the 8P8C modular plug 34 is plugged into the 8P8C modular socket 36. In this way, the fully populated eight-pin connector 32 is closed.
• the 8P8C modular plug 34 can be formed as an RJ-45 plug and the 8P8C modular socket 36 as an RJ-45 socket. Furthermore, the 8P8C modular plug 34 can be designed as an M12-X-coded plug and the 8P8C modular socket 36 as an M12-X-coded socket. In principle, other plug-socket combinations are also possible.
• the device 4 has four device wires 38 of a first type, via which control data are transmitted within the device 4. These four device wires 38 of the first type are connected via the plug connection 32 to those two wire pairs 14 of the multi-wire cable 12 which form the fieldbus system 6 for the transmission of control data (cf. FIG. 2). In example, the four device wires 38 can be connected to a device controller 40 of the device 4.
• the device 4 also has four device wires 42 of a second type, via which further data are transmitted within the device 4. These four device wires 42 of the second type are connected via the plug-in connection 32 to those two wires 14 of the multi-wire cable 12, which form the ethernet system 8 for the transmission of the further data (see FIG. 2).
• the four device wires 42 of the second type can be connected to a passenger information data processing unit 44 of the device 4.
• control data and the further data in the device 4 are transmitted separately from one another.
• control data and the further data are transmitted separately from one another due to the plurality of wires 18.
• part of the devices 4 of the rail vehicle 2 can only be connected to the fieldbus system 6.
• a device 4 can, for example, have only one device controller 40, which is connected via four device wires 38 of the first type to those two wire pairs 14 of the multi-wire cable 12, which form the fieldbus system 6 for transmitting the control data.
• This latter device 4 is connected to the multi-core cable 12 via a plug connection in which at least four contacts are fitted.
• part of the devices 4 of the rail vehicle 2 can only be connected to the Ethernet system 8.
• a device 4 can, for example, have only one passenger information data processing unit 44, which is connected via four device wires 42 of the second type to those two wire pairs 14 of the multi-wire cable 12 which form the Ethernet system 8 for the transmission of the further data.
• This latter device 4 is connected to the multi-core cable 12 via a plug connection in which at least four contacts are equipped te.
• FIG. 4 schematically shows a longitudinal section through a cabling 10 designed as a light guide cable 16 for the sliding internal vehicle 2 in FIG. 1.
• the light guide cable 16 comprises a core 46 and a sheath 48 surrounding the core.
• the sheath 48 can have a plurality of layers, but these are not shown.
• Data can be transmitted in particular from the core 46 of the light guide cable 16 in the form of optical signals 50, 52.
• the optical signals 50, 52 are shown schematically in FIG. To make it easier to represent the optical signals 50, 52, the core 46 has not been hatched.
• the light guide cable 16 has a plurality of transmission channels 54.
• the different transmission channels 54 use different frequencies f.
• each transmission channel is characterized by a predetermined channel width Af.
• the different frequencies f of the transmission channels 54 are expediently spaced sufficiently. In particular, a distance between two frequencies exceeds a given minimum distance.
• the light guide cable 16 has two transmission channels 54.
• the first transmission channel 54 forms the fieldbus system 6 for the transmission of the control data.
• the first transmission channel uses a first frequency fi with a channel width Afi.
• control data in the form of optical signals 50 are transmitted via the optical fiber cable 16, the optical signals 50 having a frequency fi ⁇ 0.5-Afi.
• the second transmission channel 54 forms the Ethernet system 8 for the transmission of the further data.
• the second transmission channel uses a second frequency f 2 with a channel width Af 2 . That is, further data in the form of optical signals 52 are transmitted via the optical fiber cable 16, the optical signals 52 having a frequency f 2 ⁇ 0.5-Af 2 .
• f 2 > fi was chosen for illustration purposes.
• f 2 ⁇ fi was chosen for illustration purposes.
• the minimum distance between fi and f 2 is preferably greater than 0.5-Afi + 0.5-Af 2 .
• control data are transmitted at a different frequency f than the other data.
• fieldbus system 6 remains separate from the Ethernet system 8.
• the light guide cable 16 is connected to the multiple devices 4 of the rail vehicle 2 from FIG. 1 in each case via a router 56.
• FIG 5 shows an example of a connection from the light guide cable 16 to one of the several devices 4 via a router 56.
• the device 4 has a device line 58 of a first type, via which control data are transmitted within the device 4.
• the device line 58 of the first type is connected via the router 56 to the transmission channel 54 of the light guide cable 16 which forms the fieldbus system 6 (cf. FIG. 4).
• the device line 58 of the first type is connected, for example, to a device controller 40 of the device 4.
• the device 4 also has a device line 60 of a two-th type, via which further data are transmitted within the device 4.
• the device line 60 of the second type is connected via the router 56 to the transmission channel 54 of the optical fiber cable 16 which forms the Ethernet system 8 (cf. FIG. 4).
• the device line 60 of the second type can be connected to a passenger information data processing unit 44 of the device 4.
• control data and the further data in the device 4 are transmitted separately from one another.
• Data to be sent from the device 4 are transmitted to the router 56.
• the router 56 addresses the data to be sent by the device 4. In this way, the data sent via the optical fiber cable 16 to the correct device 4 of the rail vehicle 2 from FIG. 1.
• the router 56 receives the data sent via the optical fiber cable 16.
• the data sent can have control data and / or further data.
• the router 56 separates control data from further data and routes them as separate signals via the separate device lines 58, 60 (of the first and second types) in the device
• the amount of further data separated is zero. If, for example, the data sent contains only further data, the amount of control data separated is zero. In between, any gradation is possible.
• the device lines 58, 60 of the first and second types can be
• the device lines 58, 60 of the first and two be kind of electrical conductor.
• the device lines 58, 60 of the first and second types of wires can be one
• Multi-core cable with two twisted pairs Multi-core cable with two twisted pairs.
• the router 56 has a further function, namely the conversion of electrical signals into optical signals 50, 52 and / or vice versa. That is, when sending, the router 56 can convert electrical signals into optical signals 50, 52. Furthermore, the router can convert optical signals 50, 52 into electrical signals when it is received.
• part of the devices 4 of the rail vehicle 2 can only be connected to the fieldbus system 6.
• a device 4 can, for example, have only one device controller 40, which is connected via device lines 58 of the first type to the transmission channel 54 of the light guide cable 16 which forms the fieldbus system 6.
• This latter device 4 is also connected to the light guide cable 16 via a router 56.
• part of the devices 4 of the rail vehicle 2 can only be connected to the Ethernet system 8.
• a device 4 can, for example, have only one passenger information data processing unit 44, which is connected via device lines 60 of the second type to that transmission channel 54 of the optical fiber cable 16 which forms the Ethernet system 8.
• This latter device 4 is also connected to the light guide cable 16 via a router 56.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Small-Scale Networks (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Optical Communication System (AREA)

Priority Applications (3)

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Publications (1)

Family

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Family Applications (1)

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Citations (6)

Family Cites Families (9)

• 2018
  • 2018-06-18 DE DE102018209797.6A patent/DE102018209797A1/de not_active Ceased
• 2019
  • 2019-05-21 EP EP19729621.3A patent/EP3784548A1/de not_active Withdrawn
  • 2019-05-21 WO PCT/EP2019/063067 patent/WO2019242964A1/de unknown
  • 2019-05-21 RU RU2020141015A patent/RU2765198C1/ru active
  • 2019-05-21 CN CN201980040264.0A patent/CN112292302A/zh active Pending

Patent Citations (6)

Non-Patent Citations (1)

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