CN216013977U - Data transmission system and rail vehicle - Google Patents
Data transmission system and rail vehicle Download PDFInfo
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- CN216013977U CN216013977U CN202121852586.6U CN202121852586U CN216013977U CN 216013977 U CN216013977 U CN 216013977U CN 202121852586 U CN202121852586 U CN 202121852586U CN 216013977 U CN216013977 U CN 216013977U
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The application discloses a data transmission system and a rail vehicle, wherein the system comprises a first data transmission device positioned on a second traction unit, a second data transmission device positioned on a fourth traction unit, a first wireless transmission device positioned on the first traction unit and a second wireless transmission device positioned on a third traction unit; the first data transmission device and the second data transmission device both comprise a power supply board card, a CPU board card and a TRDP board card; the first data transmission device transmits the vehicle-mounted data of the second traction unit to the first wireless transmission device through the Ethernet switch; the first wireless transmission device transmits the vehicle-mounted data of the first traction unit and the vehicle-mounted data of the second traction unit to the ground server; the second data transmission device transmits the vehicle-mounted data of the fourth traction unit to the second wireless transmission device through the Ethernet switch; and the second wireless transmission device transmits the vehicle-mounted data of the third traction unit and the vehicle-mounted data of the fourth traction unit to the ground server.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a data transmission system and a rail vehicle.
Background
Along with the annual expansion of the scale of a railway network, the mileage of a high-speed railway is longer and longer, and long-distance and large-traffic long-distance motor train units are produced. In order to facilitate the ground command center to command the long-range motor train unit for emergency, the long-range motor train unit transmits the vehicle-mounted data back to the ground command center through a commercial communication technology (for example, the 4th generation communication system (4G)) or the 5th generation communication system (5G)).
Generally, a long-range motor train unit consists of 4 traction units, each of which comprises 4 cars. Each traction unit is provided with a wireless transmission device, namely, at least 4 wireless transmission devices are required to be arranged on a long-distance knitting motor train unit. And each traction unit transmits the vehicle-mounted data corresponding to the traction unit back to the ground command center through a respective wireless transmission device.
The wireless transmission device comprises a power board, a Central Processing Unit (CPU) board, a train real-time data protocol (TRDP) board, a Parallel Transmission Unit (PTU) board and a wireless communication board. The PTU board and the wireless communication board of the wireless transmission device need to be integrated in a 3U cabinet, which is a cabinet for storing servers, wherein "U" refers to the height and width of the cabinet. Because the length of PTU integrated circuit board and wireless communication integrated circuit board is longer, and then can lead to the length of 3U machine case longer, make 3U machine case occupy great space, especially under the condition that every traction unit all need dispose a wireless transmission device, the length of the 3U machine case that every traction unit corresponds all can be longer, and then can increase every traction unit's heavy burden.
SUMMERY OF THE UTILITY MODEL
The application provides a data transmission system and a rail vehicle, which can reduce the load of part of traction units.
In a first aspect, the present application provides a data transmission system for a rail vehicle, the rail vehicle comprising at least 4 traction units, the data transmission system comprising: the wireless communication device comprises a first data transmission device, a second data transmission device, a first wireless transmission device and a second wireless transmission device;
the first data transmission device and the second data transmission device both comprise a power supply board card, a Central Processing Unit (CPU) board card and a train real-time data protocol (TRDP) board card;
the first wireless transmission device is positioned at a first traction unit, the first data transmission device is positioned at a second traction unit, the second wireless transmission device is positioned at a third traction unit, and the second data transmission device is positioned at a fourth traction unit;
the first data transmission device is used for transmitting the vehicle-mounted data of the second traction unit to the first wireless transmission device through an Ethernet switch;
the first wireless transmission device is used for transmitting the vehicle-mounted data of the first traction unit and the vehicle-mounted data of the second traction unit to a ground server;
the second data transmission device is used for transmitting the vehicle-mounted data of the fourth traction unit to the second wireless transmission device through an Ethernet switch;
the second wireless transmission device is used for transmitting the vehicle-mounted data of the third traction unit and the vehicle-mounted data of the fourth traction unit to the ground server.
As a possible implementation manner, the first wireless transmission device is further configured to transmit the vehicle-mounted data of the first traction unit and the vehicle-mounted data of the second traction unit to the second wireless transmission device through an ethernet interactor;
the second wireless transmission device is further used for transmitting the vehicle-mounted data of the third traction unit and the vehicle-mounted data of the fourth traction unit to the first wireless transmission device through an Ethernet switch;
the first wireless transmission device is specifically configured to transmit the vehicle-mounted data of the first traction unit, the vehicle-mounted data of the second traction unit, the vehicle-mounted data of the third traction unit, and the vehicle-mounted data of the fourth traction unit to the ground server;
the second wireless transmission device is specifically configured to transmit the vehicle-mounted data of the first traction unit, the vehicle-mounted data of the second traction unit, the vehicle-mounted data of the third traction unit, and the vehicle-mounted data of the fourth traction unit to the ground server.
As a possible implementation manner, the first wireless transmission device and the second wireless transmission device perform timing according to a time signal of a master control car of the rail vehicle.
As a possible implementation manner, after receiving the vehicle-mounted data sent by the first wireless transmission device and the vehicle-mounted data sent by the second wireless transmission device, the ground server analyzes the vehicle-mounted data sent by the first wireless transmission device or the vehicle-mounted data sent by the second wireless transmission device.
As a possible implementation manner, when the first wireless transmission device fails, the ground server only analyzes the vehicle-mounted data sent by the second wireless transmission device;
alternatively, the first and second electrodes may be,
and when the second wireless transmission device fails, the ground server only analyzes the vehicle-mounted data sent by the first wireless transmission device.
As a possible implementation manner, the first wireless transmission device, the second wireless transmission device, the first data transmission device, and the second data transmission device perform data interaction with each other through an ethernet switch in a TRDP protocol.
In a second aspect, the present application provides a rail vehicle comprising a data transmission system according to any one of the above first aspects.
According to the technical scheme, the embodiment of the application has the following advantages:
in the application, two traction units are divided into a group, each group of traction units is provided with a wireless transmission device and a data transmission device, the data transmission device transmits vehicle-mounted data of the traction unit where the data transmission device is located to the wireless transmission device, and the wireless transmission device transmits the vehicle-mounted data of the traction unit where the data transmission device is located and the vehicle-mounted data transmitted by the data transmission device to the ground server. Therefore, under the condition that the long-distance braiding vehicle comprises 4 or more traction units, the number of the wireless transmission devices is reduced exponentially, the data transmission devices comprise power supply board cards, CPU board cards and TRDP board cards, PTU board cards do not need to be further installed in 3U machine boxes corresponding to the data transmission devices, wireless communication board cards do not need to be installed, the length of the 3U machine boxes can be shortened, the load of part of the traction units is reduced, and the load of the long-distance braiding vehicle is reduced integrally.
Specifically, the data transmission system comprises a first wireless transmission device, a second wireless transmission device, a first data transmission device and a second data transmission device, wherein the first wireless transmission device is located at a first traction unit, the second wireless transmission device is located at a third traction unit, the first data transmission device is located at a second traction unit, and the second data transmission device is located at a fourth traction unit. Compare with traditional scheme and utilize first data transmission device to replace the former wireless transmission device on the second traction unit after, can reduce the heavy burden of second traction unit, after the former wireless transmission device on the second traction unit is replaced to the second data transmission device, can reduce the heavy burden of fourth traction unit. Then, the first data transmission device transmits the vehicle-mounted data of the second traction unit to the first wireless transmission device through the Ethernet switch, so that the first wireless transmission device transmits the vehicle-mounted data to the ground server; similarly, the second data transmission device transmits the vehicle-mounted data of the fourth traction unit to the second wireless transmission device through the Ethernet switch, so that the second wireless transmission device transmits the vehicle-mounted data to the ground server.
In this way, the wireless transmission system can transmit the vehicle-mounted data of all the traction units on the rail vehicle to the ground server even when the rail vehicle is low in cost and load.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a data transmission system according to an embodiment of the present application;
FIG. 2A is a schematic diagram of vehicle data acquisition provided by an embodiment of the present application;
FIG. 2B is a schematic diagram of vehicle data acquisition provided by an embodiment of the present application;
FIG. 2C is a schematic diagram of vehicle data acquisition provided by an embodiment of the present application;
FIG. 2D is a schematic diagram of vehicle data acquisition provided by an embodiment of the present application;
fig. 3 is a schematic diagram of a redundancy backup provided in an embodiment of the present application;
fig. 4 is a schematic diagram of a redundancy backup provided in an embodiment of the present application;
FIG. 5 is a schematic diagram of an onboard data transmission provided in an embodiment of the present application;
fig. 6A is a schematic structural diagram of a wireless transmission apparatus according to an embodiment of the present disclosure;
fig. 6B is a schematic structural diagram of a data transmission device according to an embodiment of the present application.
Detailed Description
The scheme in the embodiments provided in the present application will be described below with reference to the drawings in the present application.
The terms "first" and "second" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Along with economic development, the scale of a railway network is enlarged year by year, the mileage of a high-speed railway is longer and longer, and a long-distance motor train unit (more than 16 cars) is developed in order to meet the transportation requirements of long distance and large transportation capacity, further improve the passenger carrying energy of a motor train unit train of a busy trunk line and enlarge the transportation energy requirement. A network control system of one of the long-distance compilation motor train unit core systems adopts a TCN network for controlling the motor train, so that the vehicle-mounted data is transmitted to a ground command center through a wireless transmission technology for facilitating ground big data application and emergency command.
Generally, the industry will configure a wireless transmission device on each traction unit, such as the long-range motor train unit described above, which includes 16 trains, and each adjacent four trains constitute one traction unit. The PTU board card and the wireless communication board card of the wireless transmission device need to be integrated in the 3U case, and the PTU board card and the wireless communication board card are long in length, so that the 3U case occupies a large space, and particularly, under the condition that each traction unit needs to be provided with one wireless transmission device, the length of the 3U case corresponding to each traction unit is long, and the load of each traction unit is increased.
In view of this, in the present application, two traction units are divided into a group, each group of traction units is configured with a wireless transmission device and a data transmission device, the data transmission device transmits the vehicle-mounted data of the traction unit where the data transmission device is located to the wireless transmission device, and the wireless transmission device transmits the vehicle-mounted data of the traction unit where the data transmission device is located and the vehicle-mounted data transmitted by the data transmission device to the ground server. Therefore, under the condition that the long-distance braiding vehicle comprises 4 or more traction units, the number of the wireless transmission devices is reduced exponentially, the data transmission devices comprise power supply board cards, CPU board cards and TRDP board cards, PTU board cards do not need to be further installed in 3U machine boxes corresponding to the data transmission devices, wireless communication board cards do not need to be installed, the length of the 3U machine boxes can be shortened, the load of part of the traction units is reduced, and the load of the long-distance braiding vehicle is reduced integrally.
In order to make the technical scheme of the present application clearer and easier to understand, a long-range motor train unit including 16 trains is taken as an example below, and the data transmission system provided in the embodiment of the present application is introduced.
Referring to fig. 1, a schematic diagram of a data transmission system according to an embodiment of the present application is shown.
The data transmission system 100 provided by the embodiment of the present application includes a first wireless transmission device 101, a second wireless transmission device 103, a first data transmission device 102, and a second data transmission device 104, where the first wireless transmission device 101 is located at a first traction unit 105, the second wireless transmission device 103 is located at a third traction unit 107, the first data transmission device 102 is located at a second traction unit 106, and the second data transmission device 104 is located at a fourth traction unit 108. Compared with the conventional scheme, the load of the second traction unit 106 can be reduced by replacing the original wireless transmission device on the second traction unit 106 with the first data transmission device 102, and the load of the fourth traction unit 108 can be reduced by replacing the original wireless transmission device on the fourth traction unit 108 with the second data transmission device 104. Then, the first data transmission device 102 transmits the vehicle-mounted data of the second traction unit 106 to the first wireless transmission device 101 through the ethernet switch, so that the first wireless transmission device 101 transmits the vehicle-mounted data to the ground server 109; similarly, the second data transmission device 104 transmits the vehicle data of the fourth traction unit 108 to the second wireless transmission device 103 via the ethernet switch, so that the second wireless transmission device 103 transmits the vehicle data to the ground server 109.
In this way, the wireless transmission system can transmit the vehicle-mounted data of all the traction units on the rail vehicle to the ground server even when the rail vehicle is low in cost and load.
Referring to fig. 2A, this figure is a schematic diagram of a first wireless transmission device acquiring vehicle-mounted data of a first traction unit according to an embodiment of the present application.
As shown, the first traction unit 105 includes a first subsystem 211, a second subsystem 221, a third subsystem 231, and a fourth subsystem 241. First subsystem 211 may be located on vehicle number 1, second subsystem 221 may be located on vehicle number 2, third subsystem 231 may be located on vehicle number 3, and fourth subsystem 241 may be located on vehicle number 4.
It should be noted that fig. 2A is only described as an example that the traction unit includes 4 vehicles, and the present application is not limited thereto, and those skilled in the art can select the traction unit according to actual needs.
In some examples, the first subsystem 211 may transmit the vehicle data of car No. 1 to the first wireless transmission device 101 through the ethernet switch 251 through the ethernet line. Similarly, the second subsystem 221 may transmit the vehicle-mounted data of vehicle No. 2 to the first wireless transmission device 101 through the ethernet switch 251 via the ethernet line; the third subsystem 231 can transmit the vehicle-mounted data of the vehicle No. 3 to the first wireless transmission device 101 through the Ethernet switch 251 through the Ethernet cable; the fourth subsystem 241 may transmit the vehicle data of the car No. 4 to the first wireless transmission device 101 through the ethernet switch 251 via the ethernet line.
Referring to fig. 2B, the figure is a schematic diagram of a second wireless transmission device acquiring vehicle-mounted data of a third traction unit according to an embodiment of the present application.
As shown, the third traction unit 107 includes a first subsystem 212, a second subsystem 222, a third subsystem 232, and a fourth subsystem 242. Wherein the first subsystem 212 may be located at car number 9, the second subsystem 222 may be located at car number 10, the third subsystem 232 may be located at car number 11, and the fourth subsystem 242 may be located at car number 12.
In some examples, the first subsystem 212 may transmit the vehicle data for car number 9 via ethernet to the second wireless transmission device 103 via the ethernet switch 252. Similarly, the second subsystem 222 may transmit the vehicle data of the vehicle 10 to the second wireless transmission device 103 through the ethernet switch 252 via the ethernet cable; the third subsystem 232 can transmit the vehicle-mounted data of the vehicle number 11 to the second wireless transmission device 103 through the ethernet switch 252 through the ethernet cable; the fourth subsystem 242 may transmit the vehicle data of the vehicle No. 12 to the second wireless transmission device 103 through the ethernet switch 252 via the ethernet line.
Referring to fig. 2C, the figure is a schematic diagram of a first data transmission device acquiring vehicle-mounted data of a second traction unit according to an embodiment of the present application.
As shown, the second traction unit 106 includes a first subsystem 213, a second subsystem 223, a third subsystem 233, and a fourth subsystem 243. The first subsystem 213 may be located in car No. 5, the second subsystem 223 may be located in car No. 6, the third subsystem 233 may be located in car No. 7, and the fourth subsystem 243 may be located in car No. 8.
In some examples, the first subsystem 213 may transmit the vehicle data for car number 5 via ethernet to the first data transmission device 102 via the ethernet switch 253. Similarly, the second subsystem 223 may transmit the vehicle-mounted data of the car 6 to the first data transmission device 102 through the ethernet switch 253 via the ethernet cable; the third subsystem 233 can transmit the vehicle-mounted data of the vehicle 7 to the first data transmission device 102 through the ethernet switch 253 by using an ethernet cable; the fourth subsystem 243 can transmit the vehicle data of the vehicle # 8 to the first data transmission device 102 through the ethernet switch 253 via the ethernet cable.
Referring to fig. 2D, the second data transmission device 104 obtains vehicle-mounted data of a fourth traction unit according to an embodiment of the present application.
As shown, fourth traction unit 108 includes first subsystem 214, second subsystem 224, third subsystem 234, and fourth subsystem 244. Wherein first subsystem 214 may be located on vehicle 13, second subsystem 224 may be located on vehicle 14, third subsystem 234 may be located on vehicle 15, and fourth subsystem 244 may be located on vehicle 16.
In some examples, the first subsystem 214 may transmit the vehicle data for vehicle number 13 to the second data transmission device 104 via the ethernet switch 254 via an ethernet cable. Similarly, the second subsystem 224 may transmit the onboard data of car 14 to the second data transmission device 104 via the ethernet cable via the ethernet switch 254; the third subsystem 234 can transmit the vehicle-mounted data of the vehicle No. 15 to the second data transmission device 104 through the Ethernet switch 254 by an Ethernet line; the fourth subsystem 244 may transmit the vehicle data of the 16 th vehicle to the second data transmission device 104 through the ethernet switch 254 via the ethernet cable.
In some embodiments, compared with other core components (central control unit, ethernet switch) of the network control system as a medium for data transmission, the data transmission device improves the professional of ethernet data processing service, reduces the CPU occupancy rate of the core components, and better ensures the stable performance and operation of the network control system itself.
In some implementations, the first wireless transmission device 101 and the second wireless transmission device 103 perform redundant backup on the vehicle-mounted data that each needs to transmit, which is described below.
Referring to fig. 3, a schematic diagram of a redundant backup provided in an embodiment of the present application is shown.
As shown in the figure, the first wireless transmission device 101 is further configured to transmit the vehicle-mounted data of the first traction unit 105 and the vehicle-mounted data of the second traction unit 106 to the second wireless transmission device 103 through an ethernet inter-machine; the second wireless transmission device 103 is also used for transmitting the vehicle data of the third traction unit 107 and the vehicle data of the fourth traction unit 108 to the first wireless transmission device 101 through the ethernet switch. For example, the ethernet switch may be a train-level ethernet switch.
The first wireless transmission device 101 is specifically configured to transmit the vehicle-mounted data of the first traction unit 105, the vehicle-mounted data of the second traction unit 106, the vehicle-mounted data of the third traction unit 107, and the vehicle-mounted data of the fourth traction unit 108 to the ground server 109; the second wireless transmission device 103 is specifically configured to transmit the onboard data of the first traction unit 105, the onboard data of the second traction unit 106, the onboard data of the third traction unit 107, and the onboard data of the fourth traction unit 108 to the ground server 109.
In other implementations, the first data transmission device and the second data transmission device may transmit the vehicle-mounted data to the first wireless transmission device and the second wireless transmission device, respectively, to implement redundancy backup.
Referring to fig. 4, a schematic diagram of a redundant backup provided in the embodiment of the present application is shown.
As shown, the first data transmission device 102 transmits the vehicle data of the second traction unit 106 to the first wireless transmission device 101 and the second wireless transmission device 103 through the ethernet switch, and the second data transmission device 104 transmits the vehicle data of the fourth traction unit 108 to the second wireless transmission device 103 and the first wireless transmission device 101 through the ethernet switch.
Then, the first wireless transmission device 101 transmits the vehicle-mounted data of the first traction unit 105 to the second wireless transmission device 103, and the second wireless transmission device 103 transmits the vehicle-mounted data of the third traction unit 107 to the first wireless transmission device 101. This achieves that the first wireless transmission device 101 and the second wireless transmission device 103 need a redundant backup of the vehicle-mounted data transmitted to the ground server 109.
In some embodiments, the ethernet switch performs data interaction according to the TRDP protocol, and when the data interaction is performed according to the TRDP protocol, the transmission period is shortened by 4 times compared with the transmission period of the conventional MVB protocol, and in some examples, when the data interaction is performed according to the TRDP protocol, the transmission period is 30 ms.
Referring to fig. 5, the figure is a schematic diagram of vehicle-mounted data transmission provided in an embodiment of the present application.
The first wireless transmission device 101 and the second wireless transmission device 103 may simultaneously transmit the onboard data of the full train to the ground server, and then present the onboard data of the full train through a display terminal (e.g., a display screen).
In some examples, the ground server may select only the vehicle-mounted data transmitted by any one of the first wireless transmission device 101 and the second wireless transmission device 103 for processing and then display through the display terminal. For example, the ground server selects and processes only the vehicle-mounted data transmitted by the first wireless transmission device 101, and processes the vehicle-mounted data transmitted by the second wireless transmission device 103 when the first wireless transmission device 101 fails. Therefore, the uniqueness of the data source, the synchronization of the same data and the simplification and the fluency of the software architecture of the ground server are ensured.
In some examples, the first wireless transmission device 101 and the second wireless transmission device 103 perform timing calibration according to a time signal of a master vehicle of the rail vehicle, so that the problem that the transmission time of the first wireless transmission device 101 and the second wireless transmission device 103 for transmitting the vehicle-mounted data to the ground server is inconsistent is solved, and the consistency of the vehicle-mounted data is more beneficial.
Referring to fig. 6A and 6B, fig. 6A is a schematic structural diagram of a wireless transmission device according to an embodiment of the present application, and fig. 6B is a schematic structural diagram of a data transmission device according to an embodiment of the present application.
As can be seen from the figure, compared with the wireless transmission device, the data transmission device does not need a PTU board nor a wireless communication board, and thus the length of the 3U chassis can be reduced. This reduces the load on the traction unit.
It should be noted that the above-described system embodiments are merely illustrative, and units illustrated as separate components may or may not be physically separate, and components illustrated as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiments of the system provided by the present application, the connection relationship between the units indicates that there is a communication connection therebetween, and may be implemented as one or more communication buses or signal lines.
Through the above description of the embodiments, those skilled in the art will clearly understand that the present application can be implemented by software plus necessary general-purpose hardware, and certainly can also be implemented by special-purpose hardware including special-purpose integrated circuits, special-purpose CPUs, special-purpose memories, special-purpose components and the like. Generally, functions performed by computer programs can be easily implemented by corresponding hardware, and specific hardware structures for implementing the same functions may be various, such as analog circuits, digital circuits, or dedicated circuits.
In the above embodiments, the implementation may be partly realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in part in the form of a computer program product.
The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, training device, or data center to another website site, computer, training device, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that a computer can store or a data storage device, such as a training device, a data center, etc., that incorporates one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above-described embodiments and/or implementations are only for illustrating the preferred embodiments and/or implementations of the technology of the present application, and are not intended to limit the implementations of the technology of the present application in any way, and those skilled in the art can make modifications or changes to other equivalent embodiments without departing from the scope of the technology disclosed in the present application, but should be construed as technology or implementations substantially the same as the present application.
Claims (5)
1. A data transmission system for a rail vehicle, said rail vehicle comprising at least 4 traction units, said data transmission system comprising: the wireless communication device comprises a first data transmission device, a second data transmission device, a first wireless transmission device and a second wireless transmission device;
the first data transmission device and the second data transmission device both comprise a power supply board card, a Central Processing Unit (CPU) board card and a train real-time data protocol (TRDP) board card;
the first wireless transmission device is positioned at a first traction unit, the first data transmission device is positioned at a second traction unit, the second wireless transmission device is positioned at a third traction unit, and the second data transmission device is positioned at a fourth traction unit;
the first data transmission device is used for transmitting the vehicle-mounted data of the second traction unit to the first wireless transmission device through an Ethernet switch;
the first wireless transmission device is used for transmitting the vehicle-mounted data of the first traction unit and the vehicle-mounted data of the second traction unit to a ground server;
the second data transmission device is used for transmitting the vehicle-mounted data of the fourth traction unit to the second wireless transmission device through an Ethernet switch;
the second wireless transmission device is used for transmitting the vehicle-mounted data of the third traction unit and the vehicle-mounted data of the fourth traction unit to the ground server.
2. The system of claim 1, wherein the first wireless transmission device is further configured to transmit the data onboard the first traction unit and the data onboard the second traction unit to the second wireless transmission device via an ethernet interactor;
the second wireless transmission device is further used for transmitting the vehicle-mounted data of the third traction unit and the vehicle-mounted data of the fourth traction unit to the first wireless transmission device through an Ethernet switch;
the first wireless transmission device is specifically configured to transmit the vehicle-mounted data of the first traction unit, the vehicle-mounted data of the second traction unit, the vehicle-mounted data of the third traction unit, and the vehicle-mounted data of the fourth traction unit to the ground server;
the second wireless transmission device is specifically configured to transmit the vehicle-mounted data of the first traction unit, the vehicle-mounted data of the second traction unit, the vehicle-mounted data of the third traction unit, and the vehicle-mounted data of the fourth traction unit to the ground server.
3. The system of claim 1, wherein the first wireless transmission device and the second wireless transmission device are time-calibrated according to a time signal of a master vehicle of the rail vehicle.
4. The system according to any one of claims 1-3, wherein the first wireless transmission device, the second wireless transmission device, the first data transmission device and the second data transmission device perform data interaction with each other via an Ethernet switch according to a TRDP protocol.
5. A rail vehicle, characterized in that it comprises a data transmission system according to any one of claims 1-4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852586.6U CN216013977U (en) | 2021-08-09 | 2021-08-09 | Data transmission system and rail vehicle |
| PCT/CN2021/128359 WO2023015744A1 (en) | 2021-08-09 | 2021-11-03 | Data transmission system and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852586.6U CN216013977U (en) | 2021-08-09 | 2021-08-09 | Data transmission system and rail vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN216013977U true CN216013977U (en) | 2022-03-11 |
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| CN202121852586.6U Active CN216013977U (en) | 2021-08-09 | 2021-08-09 | Data transmission system and rail vehicle |
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| CN (1) | CN216013977U (en) |
| WO (1) | WO2023015744A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552900A (en) * | 2008-04-03 | 2009-10-07 | 王文吉 | Digital video information transceiver system on maglev train and stations in subway, light rail and railway |
| US10257719B2 (en) * | 2016-02-26 | 2019-04-09 | Crrc Zhuzhou Institute Co., Ltd. | Method and device for wireless topology discovery for train backbone networks |
| JP7145447B2 (en) * | 2018-08-14 | 2022-10-03 | パナソニックＩｐマネジメント株式会社 | Data transmission device and data transmission method |
| CN209064113U (en) * | 2018-11-07 | 2019-07-05 | 中国铁路总公司 | Variable marshalling EMU network system |
| KR102171643B1 (en) * | 2018-12-04 | 2020-10-29 | 현대로템 주식회사 | Etcs onboard signaling system and supervising rbc automatic determination method |
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2021
- 2021-08-09 CN CN202121852586.6U patent/CN216013977U/en active Active
- 2021-11-03 WO PCT/CN2021/128359 patent/WO2023015744A1/en unknown
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| WO2023015744A1 (en) | 2023-02-16 |
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