CN105577478B - Train network control system based on TCN - Google Patents
Train network control system based on TCN Download PDFInfo
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- CN105577478B CN105577478B CN201610003634.1A CN201610003634A CN105577478B CN 105577478 B CN105577478 B CN 105577478B CN 201610003634 A CN201610003634 A CN 201610003634A CN 105577478 B CN105577478 B CN 105577478B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/40—Handling position reports or trackside vehicle data
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
- B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or vehicle trains, e.g. trackside supervision of train conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0847—Transmission error
Abstract
The application discloses train network control system based on TCN, this system includes: the system comprises a first CCU control unit, a WTB train bus and an MVB vehicle bus; the MVB vehicle bus comprises a first-level MVB bus and a second-level MVB bus which are mutually independent; the WTB train bus is in communication connection with the first CCU control unit through the gateway; the first CCU control unit is in communication connection with a first class control subsystem of the train through a first-level MVB bus and is in communication connection with a second class control subsystem through a second-level MVB bus; the first type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth is larger than a preset value, and the second type of control subsystem is a control system, wherein the required value of the communication bandwidth is smaller than or equal to the preset value. Therefore, the method and the device reduce the probability of data blockage, avoid the phenomenon of data blockage as much as possible and improve the safety and the reliability of the system.
Description
Technical Field
The invention relates to the technical field of train communication, in particular to a train network control system based on a TCN (train communication network).
Background
The train network control system is a control and management junction of a train and is mainly responsible for outputting all control instructions and monitoring states. Whether the structure of the train network control system is reasonable or not can directly influence the operation safety factor and reliability of the train.
the existing train network control system usually collects all communication data into a communication trunk line for data transmission, and when a large amount of communication data is transmitted simultaneously, the communication data is easily blocked, packet loss is caused, and the like, so that the safety and reliability of the system are reduced.
In summary, it can be seen that how to avoid the occurrence of the data blocking phenomenon as much as possible, so as to improve the security and reliability of the system is an urgent problem to be solved at present.
disclosure of Invention
In view of this, an object of the present invention is to provide a train network control system based on a TCN, which avoids the occurrence of data blocking as much as possible, thereby improving the security and reliability of the system. The specific scheme is as follows:
A train network control system based on TCN comprises a first CCU control unit, a WTB train bus and an MVB vehicle bus; the MVB vehicle bus comprises a first-level MVB bus and a second-level MVB bus which are mutually independent; wherein the content of the first and second substances,
The WTB train bus is in communication connection with the first CCU control unit through a gateway; the first CCU control unit is in communication connection with a first class control subsystem of the train through the first-level MVB bus and is in communication connection with a second class control subsystem of the train through the second-level MVB bus; the first type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is greater than a preset value, and the second type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is less than or equal to the preset value.
Preferably, the first type of control subsystem comprises a traction assistance system.
Preferably, the traction auxiliary system comprises a train traction system and an auxiliary power supply system.
Preferably, the second type of control subsystem comprises any one or more of a vehicle door control system, an air conditioning control system, a passenger information system, an automatic train protection system and a train braking system.
Preferably, the bus structure of the first-level MVB bus is a two-wire redundancy structure.
preferably, the bus structure of the second-level MVB bus is a two-wire redundancy structure.
Preferably, the bus structure of the WTB train bus is a two-wire redundant structure.
Preferably, the system further comprises: and the second CCU control unit is in hot standby relation with the first CCU control unit.
preferably, the system further comprises: and the warning unit is used for sending corresponding warning information after the first CCU control unit fails.
Preferably, the system further comprises: and the information sending unit is used for sending the warning information generated by the warning unit to a display screen of a train control room and communication equipment of designated personnel.
In the invention, the TCN-based train network control system comprises a first CCU control unit, a WTB train bus and an MVB vehicle bus; the MVB vehicle bus comprises a first-level MVB bus and a second-level MVB bus which are mutually independent; the WTB train bus is in communication connection with the first CCU control unit through the gateway; the first CCU control unit is in communication connection with a first class control subsystem of the train through a first-level MVB bus and is in communication connection with a second class control subsystem of the train through a second-level MVB bus; the first type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is larger than a preset value, and the second type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is smaller than or equal to the preset value. Therefore, the first type of control subsystem and the second type of control subsystem on the train are respectively communicated with the first CCU control unit through different MVB buses, wherein the first type of control subsystem is a control subsystem with larger communication data volume, and the second type of control subsystem is a control subsystem with smaller communication data volume, namely, the first type of control subsystem with larger communication data volume is connected into the first-stage independent MVB bus, and the second type of control subsystem with smaller communication data volume is connected into the other-stage independent MVB bus, so that the probability of data blocking is reduced, the occurrence of the data blocking phenomenon is avoided as much as possible, and the safety and the reliability of the system are improved.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
fig. 1 is a schematic structural diagram of a train network control system based on a TCN according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a specific train network control system based on a TCN according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of another specific train network control system based on a TCN according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a Train Network Control system based on a TCN (TCN, Train Communication Network), and as shown in FIG. 1, the Train Network Control system comprises a first CCU Control Unit 11(CCU, Central Control Unit), a WTB Train Bus 12(WTB, Wire Train Bus) and an MVB Vehicle Bus 13(MVB, multifunctional Vehicle Bus); the MVB vehicle bus 13 includes a first-level MVB bus 131 and a second-level MVB bus 132 that are independent of each other; wherein the content of the first and second substances,
The WTB train bus 12 is in communication connection with the first CCU control unit 11 through a gateway; the first CCU control unit 11 is in communication connection with a first class control subsystem of the train through a first-level MVB bus 131, and is in communication connection with a second class control subsystem of the train through a second-level MVB bus 132; the first type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is larger than a preset value, and the second type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is smaller than or equal to the preset value.
In the embodiment of the invention, the TCN-based train network control system comprises a first CCU control unit, a WTB train bus and an MVB vehicle bus; the MVB vehicle bus comprises a first-level MVB bus and a second-level MVB bus which are mutually independent; the WTB train bus is in communication connection with the first CCU control unit through the gateway; the first CCU control unit is in communication connection with a first class control subsystem of the train through a first-level MVB bus and is in communication connection with a second class control subsystem of the train through a second-level MVB bus; the first type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is larger than a preset value, and the second type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is smaller than or equal to the preset value.
therefore, in the embodiment of the invention, the first type of control subsystem and the second type of control subsystem on the train are respectively communicated with the first CCU control unit through different MVB buses, wherein the first type of control subsystem is a type of control subsystem with larger communication data volume, and the second type of control subsystem is a type of control subsystem with smaller communication data volume, that is, the first type of control subsystem with larger communication data volume is connected into the first-level independent MVB bus, and the second type of control subsystem with smaller communication data volume is connected into the other-level independent MVB bus, so that the probability of data blockage is reduced, that is, the occurrence of the data blockage phenomenon is avoided as much as possible, and the safety and the reliability of the system are improved.
The embodiment of the invention also discloses a specific train network control system based on the TCN, and compared with the previous embodiment, the embodiment further explains and optimizes the technical scheme. Specifically, the method comprises the following steps:
Referring to fig. 2, the first type of control subsystem in the previous embodiment specifically includes a traction auxiliary system, where the traction auxiliary system includes a train traction system and an auxiliary power supply system. The communication bandwidth required by the traction auxiliary system on the train accounts for the vast majority of the total communication bandwidth, and the embodiment ensures the communication reliability of the traction auxiliary system by accessing the traction auxiliary system into a primary independent MVB bus, and avoids the occurrence of the conditions of data mutual interference and the like between the traction auxiliary system and other control subsystems.
in addition, the second type of control subsystem in the previous embodiment specifically includes any one or a combination of multiple types of a vehicle door control system, an air conditioning control system, a passenger information system, an automatic train protection system, and a train braking system. The communication bandwidth required by a train door control system, an air conditioner control system, a passenger information system, a train automatic protection system and a train braking system on the train is relatively small, and the communication bandwidth is accessed into another independent MVB bus, so that the communication reliability of the train door control system, the air conditioner control system, the passenger information system, the train automatic protection system and the train braking system is favorably ensured.
in order to further improve the reliability of communication, in this embodiment, the bus structure of any one or more of the first-level MVB bus 131, the second-level MVB bus 132 and the WTB train bus 12 may adopt a two-wire redundancy structure.
Referring to fig. 2, in order to improve the reliability of the train network control system, the train network control system in this embodiment may further include: and a second CCU control unit 14 in a hot-standby relationship with first CCU control unit 11. When the first CCU control unit 11 fails, the second CCU control unit 14 can be switched to immediately, so that the safety and reliability of the train network control system are greatly improved.
Referring to fig. 3, when the first CCU control unit 11 fails, in order to enable people to know the emergency at the first time, the train network control system in this embodiment may further include an alert unit 15 and an information sending unit 16; wherein the content of the first and second substances,
The warning unit 15 is configured to send out corresponding warning information when the first CCU control unit 11 fails.
The information sending unit 16 can be used for sending the warning information generated by the warning unit 15 to a display screen of a train control room and communication equipment of designated personnel.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The train network control system based on the TCN provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A train network control system based on TCN is characterized by comprising a first CCU control unit, a WTB train bus and an MVB vehicle bus; the MVB vehicle bus comprises a first-level MVB bus and a second-level MVB bus which are mutually independent; wherein the content of the first and second substances,
The WTB train bus is in communication connection with the first CCU control unit through a gateway; the first CCU control unit is in communication connection with a first class control subsystem of the train through the first-level MVB bus and is in communication connection with a second class control subsystem of the train through the second-level MVB bus; the first type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is greater than a preset value, and the second type of control subsystem is a control system on the train, wherein the required value of the communication bandwidth on the train is less than or equal to the preset value;
The bus structure of the first-level MVB bus is a double-line redundancy structure, and the bus structure of the second-level MVB bus is a double-line redundancy structure.
2. the TCN-based train network control system of claim 1, wherein the first type of control subsystem comprises a traction-assist system.
3. The TCN-based train network control system of claim 2, wherein the traction-assist system comprises a train traction system and an auxiliary power supply system.
4. The TCN-based train network control system of claim 3, wherein the second type of control subsystem comprises any one or combination of door control systems, air conditioning control systems, passenger information systems, train automatic protection systems, and train braking systems.
5. The TCN-based train network control system according to claim 4, wherein the bus structure of the WTB train bus is a two-wire redundant structure.
6. The TCN-based train network control system of any of claims 1-5, further comprising:
And the second CCU control unit is in hot standby relation with the first CCU control unit.
7. the TCN-based train network control system of claim 6, further comprising:
and the warning unit is used for sending corresponding warning information after the first CCU control unit fails.
8. The TCN-based train network control system of claim 7, further comprising:
And the information sending unit is used for sending the warning information generated by the warning unit to a display screen of a train control room and communication equipment of designated personnel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610003634.1A CN105577478B (en) | 2016-01-05 | 2016-01-05 | Train network control system based on TCN |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610003634.1A CN105577478B (en) | 2016-01-05 | 2016-01-05 | Train network control system based on TCN |
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| CN105577478A CN105577478A (en) | 2016-05-11 |
| CN105577478B true CN105577478B (en) | 2019-12-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107395402B (en) * | 2017-07-04 | 2020-05-19 | 长春工业大学 | MVB network process data communication modeling method based on maximum algebra |
| CN110920686B (en) * | 2018-09-20 | 2021-11-16 | 中车大连电力牵引研发中心有限公司 | Network control device and train network control system |
| CN110512984A (en) * | 2019-08-27 | 2019-11-29 | 南京康尼电子科技有限公司 | A kind of intelligent car door redundancy control system and method based on redundancy |
| CN110901700A (en) * | 2019-12-02 | 2020-03-24 | 重庆中车长客轨道车辆有限公司 | Straddle type monorail vehicle train network control system |
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| CN103078775B (en) * | 2012-12-31 | 2018-05-04 | 新奥特（北京）视频技术有限公司 | A kind of method and system based on the interaction of multistage ESB messages between buses |
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| KR20050060979A (en) * | 2003-12-17 | 2005-06-22 | 한국철도기술연구원 | Signal measurement system for using train communication network |
| KR20050061036A (en) * | 2003-12-18 | 2005-06-22 | 한국철도기술연구원 | Signal measurement system for using sensor and train communication network |
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