CN105591774A - Data processing method, TCN (Train Communication Network) standby gateway device and data processing system - Google Patents
Data processing method, TCN (Train Communication Network) standby gateway device and data processing system Download PDFInfo
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- CN105591774A CN105591774A CN201410571043.5A CN201410571043A CN105591774A CN 105591774 A CN105591774 A CN 105591774A CN 201410571043 A CN201410571043 A CN 201410571043A CN 105591774 A CN105591774 A CN 105591774A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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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
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Abstract
The invention provides a data processing method, a TCN (Train Communication Network) standby gateway device and a data processing system. The data processing method comprises steps: the TCN standby gateway device monitors a life signal sent by a TCN main gateway device, if the TCN standby gateway device judges the life signal in a preset time does not change, conversion processing is carried out on a received data flow according to a pre-stored MVB (Multifunction Vehicle Bus) protocol and a WTB (Wire Train Bus) protocol, and thus in a condition in which the TCN main gateway device stops working as failure or other situations happen to the TCN main gateway device, the TCN standby gateway device replaces the TCN main gateway device to carry out conversion processing on the received data flow, communication between a WTB device and a MVB device on the train can be ensured, and the train can be ensured to operate normally.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of data processing method, TCN standby gatewayEquipment and data handling system.
Background technology
TCN (TrainCommunicationNetwork is called for short TCN) is as Chinese ironThe network communication standard of road rail vehicle is occupied very large proportion in field of track traffic. According to trainThe feature of controlling, TCN network comprises two kinds of fieldbus: the wired train bus that connects each compartment(WireTrainBus is called for short WTB) and the MVB (Multifunction that is connected in-vehicle deviceVehicleBus, is called for short MVB). The bus of these two kinds of forms of TCN standard definition, has formulated oneOpen communication system, thus various types of rail vehicles can be hung together mutually, different factoriesThe equipment that business produces can interconnect.
WTB network and MVB network are two independently communication subnets, WTB be responsible for rail vehicle itBetween data communication, MVB is responsible for the data communication of vehicle interior. These two kinds of networks they adopt differentAgreement, and connect by a WTB node, this node is exactly gateway device, and gateway device is responsible forThe conversion of two kinds of agreements, that is to say, WTB network communicates by gateway device and MVB network,But, in the time that gateway device breaks down, cause car load communication function to interrupt, just directly affecting trainNormal operation.
Summary of the invention
The invention provides a kind of data processing method, TCN standby gateway device and data handling system, withIn solution prior art, in the time that gateway device breaks down, cause car load communication function to interrupt, directly impactThe problem of the normal operation of train.
First aspect of the present invention provides a kind of data processing method, comprising:
The life signal that the primary gateway device of TCN standby gateway device monitoring TCN sends;
If being informed in described life signal in Preset Time, described TCN standby gateway device judgement do not occurChange, according to pre-stored MVB agreement and WTB agreement, the data flow receiving is changedProcess.
In an embodiment of above-mentioned data processing method, described according to pre-stored MVB agreementWith WTB agreement, the data flow receiving being carried out to conversion process specifically comprises:
According to MVB agreement, the MVB data flow of the MVB equipment obtaining is encoded, and will compileMVB data flow after code is sent to the CPU board card of described TCN standby gateway device, by describedCPU board clamping is received the MVB data flow after described coding and the MVB data after described coding is flow toRow decoding, to obtain decoded MVB data flow, and sends described decoded MVB data flowOn WTB bus, so that the WTB equipment being connected in WTB bus obtains described MVB equipmentMVB data flow.
In an embodiment of above-mentioned data processing method, described according to pre-stored MVB agreementWith WTB agreement, the data flow receiving being carried out to conversion process specifically comprises:
According to WTB agreement, the WTB data flow of the WTB equipment obtaining is encoded, and will compileWTB data flow after code is sent to the CPU board card of described TCN standby gateway device, by describedCPU board clamping is received the WTB data flow after described coding and the WTB data flow after described coding is carried outDecoding, obtains decoded WTB data flow, and described decoded WTB data flow is sent toIn MVB bus, so that the MVB equipment in MVB bus of being connected to obtains described WTB equipmentWTB data flow.
Second aspect of the present invention provides a kind of TCN standby gateway device, comprising:
Monitoring modular, the life signal sending for monitoring the primary gateway device of TCN;
Processing module, does not change if be informed in described life signal in Preset Time for judgement,According to pre-stored MVB agreement and WTB agreement, the data flow receiving is carried out to conversion process.
In an embodiment of above-mentioned TCN standby gateway device, described processing module, specifically for rootAccording to MVB agreement, the MVB data flow of the MVB equipment obtaining is encoded, and by coding afterMVB data flow is sent to the CPU board card of described TCN standby gateway device, by described CPU boardClamping is received the MVB data flow after described coding and the MVB data flow after described coding is decoded,To obtain decoded MVB data flow, and described decoded MVB data flow is sent to WTBIn bus, so that the WTB equipment in WTB bus of being connected to obtains the MVB of described MVB equipmentData flow.
In an embodiment of above-mentioned TCN standby gateway device, described processing module, specifically for rootAccording to WTB agreement, the WTB data flow of the WTB equipment obtaining is encoded, and by coding afterWTB data flow is sent to the CPU board card of described TCN standby gateway device, by described CPU boardClamping is received the WTB data flow after described coding and the WTB data flow after described coding is decoded,Obtain decoded WTB data flow, and it is total that described decoded WTB data flow is sent to MVBOn line, so that the MVB equipment in MVB bus of being connected to obtains the WTB number of described WTB equipmentAccording to stream.
The 3rd aspect of the present invention provides a kind of data handling system, comprise the primary gateway device of TCN andTCN standby gateway device described in above-mentioned any one, described TCN standby gateway device is passed through EthernetLine is connected with the primary gateway device of described TCN.
Data processing method provided by the invention, TCN standby gateway device and data handling system, pass throughThe life signal that the primary gateway device of TCN standby gateway device monitoring TCN sends, described TCN is for subsequent useIf gateway device judgement is informed in described life signal in Preset Time and does not change, according to depositing in advanceMVB agreement and the WTB agreement of storage are carried out conversion process to the data flow receiving, thereby can guaranteeBreak down or other situations cause the primary gateway device of TCN to quit work at the primary gateway device of TCNSituation under, by TCN standby gateway device take over the primary gateway device of TCN to receive data flow toRow conversion process, ensure communicating by letter between WTB equipment on train and MVB equipment, guarantees trainNormal operation.
Brief description of the drawings
The flow chart of the data processing method that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the TCN standby gateway device 200 that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the data handling system 300 that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
For technical problem, technical scheme and advantage that the embodiment of the present invention will be solved are clearer, belowBe described in detail in connection with drawings and the specific embodiments.
The flow chart of the data processing method that as shown in Figure 1, Fig. 1 provides for the embodiment of the present invention.This data processing method comprises the steps:
The life signal that S110, the primary gateway device of TCN standby gateway device monitoring TCN send.
If S120, the judgement of TCN standby gateway device are informed in life signal in Preset Time and do not change,According to pre-stored MVB agreement and WTB agreement, the data flow receiving is carried out to conversion process.
The data processing method that the present embodiment provides, by the monitoring of TCN standby gateway device, TCN is primaryThe life signal that gateway device sends, if the judgement of TCN standby gateway device is informed in life in Preset TimeSignal does not change, according to pre-stored MVB agreement and WTB agreement to the data that receiveStream carries out conversion process, thereby can guarantee to break down or other situations are led at the primary gateway device of TCNCause in the out-of-work situation of the primary gateway device of TCN, take over TCN master by TCN standby gateway deviceThe data flow receiving is carried out to conversion process with gateway device, ensure WTB equipment and MVB on trainCommunication between equipment, guarantees the normal operation of train.
Further, according to pre-stored MVB agreement and WTB agreement, the data that receive are flow toRow conversion process specifically can realize in the following way:
According to MVB agreement, the MVB data flow of the MVB equipment obtaining is encoded, and will compileMVB data flow after code is sent to CPU board card, by the MVB number after CPU board card received codeDecode according to stream and to the MVB data flow after coding, to obtain decoded MVB data flow, andDecoded MVB data flow is sent in WTB bus, so that be connected in WTB busWTB equipment obtains the MVB data flow of MVB equipment.
Wherein, TCN standby gateway device comprises MVB board, WTB board and CPU board card, MVBBoard and WTB board link and connect with CPU board respectively, MVB board comprise MVB protocol controller andMVB bus transceiver, WTB board comprises WTB protocol controller and WTB bus transceiver.
MVB board is the hardware platform of operation MVB link software, MVB board comprise physical interface,The modules such as codec, communication memory, control logic, VME interface; MVB board is VMEThe MVB equipment network interface card of structure, core adopts fpga chip. MVB protocol controller is vehicle grade netThe special chip of network communication Design, the function of responsible MVB protocol communication, the MVB equipment that will transmitService data, fault data encode according to MVB procotol, obtain coding after MVB numberAccording to stream, the MVB data flow after coding is delivered to MVB bus transceiver by MVB protocol controller, byThe MVB data flow after coding is sent to CPU board card by MVB bus transceiver, and CPU board card is to compilingMVB data flow after code is decoded, and obtains decoded MVB data flow, and by decodedMVB data flow sends in WTB bus, so that the WTB equipment being connected in WTB bus obtainsThe MVB data flow of MVB equipment. It should be noted that, CPU board card can be to decoded MVBData flow is carried out filtering operation, to remove singular data, data boundary, ensures to be transferred to WTB busOn data are true reflections of travel condition of vehicle.
WTB board can be the hardware platform of operation WTB link software, comprises physical interface, compiles and separateThe modules such as code device, communication memory, control logic, VME interface; WTB board is VME structureWTB equipment network interface card, core adopts fpga chip. WTB protocol controller is the network communication of train levelThe special chip of design, the function of responsible WTB protocol communication, the operation of the WTB equipment that will transmitData, fault data convert the WTB data stream format of WTB network protocol specifies to, deliver to WTBBus transceiver, sends to CPU board card by WTB bus transceiver by the WTB data flow after coding,CPU board card is decoded to the WTB data flow after encoding, and obtains decoded WTB data flow, andDecoded WTB data flow is sent in MVB bus, so that be connected in MVB busMVB equipment obtains the WTB data flow of WTB equipment. It should be noted that, CPU board card can be rightDecoded WTB data flow is carried out filtering operation, to remove singular data, data boundary, ensures to passThe data that are passed in MVB bus are true reflections of travel condition of vehicle.
Further, according to pre-stored MVB agreement and WTB agreement, the data that receive are flow toRow conversion process specifically can realize in the following way
According to WTB agreement, the WTB data flow of the WTB equipment obtaining is encoded, and will compileWTB data flow after code is sent to CPU board card, by the WTB number after CPU board card received codeDecode according to stream and to the WTB data flow after coding, obtain decoded WTB data flow, and willDecoded WTB data flow sends in MVB bus, so that be connected to the MVB in MVB busEquipment obtains the WTB data flow of WTB equipment.
The knot of the TCN standby gateway device 200 that as shown in Figure 2, Fig. 2 provides for the embodiment of the present inventionStructure schematic diagram. The TCN standby gateway device that the present embodiment provides, can carry out method reality as shown in Figure 1Execute routine technical scheme. This TCN standby gateway device comprises: monitoring modular 210 and processing module 220.
The life signal that monitoring modular 210 sends for monitoring the primary gateway device of TCN; Processing moduleDo not change if 220 are informed in life signal in Preset Time for judgement, according to pre-storedMVB agreement and WTB agreement are carried out conversion process to the data flow receiving.
The TCN standby gateway device that the present embodiment provides, by TCN standby gateway device monitoring TCNThe life signal that primary gateway device sends, if the judgement of TCN standby gateway device is informed in Preset TimeLife signal does not change, according to pre-stored MVB agreement and WTB agreement to receivingData flow is carried out conversion process, thereby can guarantee to break down or other feelings at the primary gateway device of TCNCondition causes, in the out-of-work situation of the primary gateway device of TCN, taking over TCN by TCN standby gateway devicePrimary gateway device carries out conversion process to the data flow receiving, ensure WTB equipment on train withCommunication between MVB equipment, guarantees the normal operation of train.
Further, processing module 220, specifically for according to MVB agreement, establishes the MVB obtainingStandby MVB data flow is encoded, and the MVB data flow after coding is sent to CPU board card,Separate by the MVB data flow after CPU board card received code and to the MVB data flow after codingCode, to obtain decoded MVB data flow, and sends to WTB by decoded MVB data flowIn bus, so that the WTB equipment in WTB bus of being connected to obtains the MVB data of MVB equipmentStream.
Wherein, it should be noted that, processing module 220 can be by being deployed in TCN standby gateway deviceOn MVB board, WTB board and CPU board card realize, MVB board and WTB board are respectivelyLink and connect with CPU board, MVB board comprises MVB protocol controller and MVB bus transceiver,WTB board comprises WTB protocol controller and WTB bus transceiver.
MVB board is the hardware platform of operation MVB link software, MVB board comprise physical interface,The modules such as codec, communication memory, control logic, VME interface; MVB board is VMEThe MVB equipment network interface card of structure, core adopts fpga chip. MVB protocol controller is vehicle grade netThe special chip of network communication Design, the function of responsible MVB protocol communication, the MVB equipment that will transmitService data, fault data encode according to MVB procotol, obtain coding after MVB numberAccording to stream, the MVB data flow after coding is delivered to MVB bus transceiver by MVB protocol controller, byThe MVB data flow after coding is sent to CPU board card by MVB bus transceiver, and CPU board card is to compilingMVB data flow after code is decoded, and obtains decoded MVB data flow, and by decodedMVB data flow sends in WTB bus, so that the WTB equipment being connected in WTB bus obtainsThe MVB data flow of MVB equipment. It should be noted that, CPU board card can be to decoded MVBData flow is carried out filtering operation, to remove singular data, data boundary, ensures to be transferred to WTB busOn data are true reflections of travel condition of vehicle.
WTB board can be the hardware platform of operation WTB link software, comprises physical interface, compiles and separateThe modules such as code device, communication memory, control logic, VME interface; WTB board is VME structureWTB equipment network interface card, core adopts fpga chip. WTB protocol controller is the network communication of train levelThe special chip of design, the function of responsible WTB protocol communication, the operation of the WTB equipment that will transmitData, fault data convert the WTB data stream format of WTB network protocol specifies to, deliver to WTBBus transceiver, sends to CPU board card by WTB bus transceiver by the WTB data flow after coding,CPU board card is decoded to the WTB data flow after encoding, and obtains decoded WTB data flow, andDecoded WTB data flow is sent in MVB bus, so that be connected in MVB busMVB equipment obtains the WTB data flow of WTB equipment. It should be noted that, CPU board card can be rightDecoded WTB data flow is carried out filtering operation, to remove singular data, data boundary, ensures to passThe data that are passed in MVB bus are true reflections of travel condition of vehicle.
Processing module 220, specifically for according to WTB agreement, to the WTB of the WTB equipment obtainingData flow is encoded, and the WTB data flow after coding is sent to CPU board card, passes through CPU boardWTB data flow after card received code is also decoded to the WTB data flow after coding, obtains decodingAfter WTB data flow, and decoded WTB data flow is sent in MVB bus, so that connectThe MVB equipment in MVB bus received obtains the WTB data flow of WTB equipment.
The structural representation of the data handling system 300 that Fig. 3 provides for the embodiment of the present invention, comprises numberComprise the primary gateway device 310 of TCN and TCN standby gateway device 320 according to treatment system, TCN is standbyWith gateway device 320 can be any one TCN standby gateway device of mentioning in above-described embodiment,TCN standby gateway device 320 is connected with the primary gateway device 310 of TCN by ethernet line.
This TCN standby gateway device 320 can be for the method and technology side shown in execution graph 1 embodimentCase, it realizes principle and technique effect is similar, repeats no more herein.
The data handling system that the present embodiment provides, by TCN standby gateway device monitoring TCN masterThe life signal sending with gateway device, raw if the judgement of TCN standby gateway device is informed in Preset TimeLife signal does not change, according to pre-stored MVB agreement and WTB agreement to the number receivingCarry out conversion process according to stream, thereby can guarantee to break down or other situations at the primary gateway device of TCNCause, in the out-of-work situation of the primary gateway device of TCN, taking over TCN by TCN standby gateway devicePrimary gateway device carries out conversion process to the data flow receiving, ensure WTB equipment on train withCommunication between MVB equipment, guarantees the normal operation of train.
Finally it should be noted that: above each embodiment is only in order to technical scheme of the present invention to be described, but not rightIts restriction; Although the present invention is had been described in detail with reference to aforementioned each embodiment, this area commonTechnical staff is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified,Or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement, andDo not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a data processing method, is characterized in that, comprising:
The life signal that the primary gateway device of TCN standby gateway device monitoring TCN sends;
If being informed in described life signal in Preset Time, described TCN standby gateway device judgement do not occurChange, according to pre-stored MVB agreement and WTB agreement, the data flow receiving is changedProcess.
2. method according to claim 1, is characterized in that, described according to pre-stored MVBAgreement and WTB agreement are carried out conversion process to the data flow receiving and are specifically comprised:
According to MVB agreement, the MVB data flow of the MVB equipment obtaining is encoded, and will compileMVB data flow after code is sent to the CPU board card of described TCN standby gateway device, by describedCPU board clamping is received the MVB data flow after described coding and the MVB data after described coding is flow toRow decoding, to obtain decoded MVB data flow, and sends described decoded MVB data flowOn WTB bus, so that the WTB equipment being connected in WTB bus obtains described MVB equipmentMVB data flow.
3. method according to claim 1, is characterized in that, described according to pre-stored MVBAgreement and WTB agreement are carried out conversion process to the data flow receiving and are specifically comprised:
According to WTB agreement, the WTB data flow of the WTB equipment obtaining is encoded, and will compileWTB data flow after code is sent to the CPU board card of described TCN standby gateway device, by describedCPU board clamping is received the WTB data flow after described coding and the WTB data flow after described coding is carried outDecoding, obtains decoded WTB data flow, and described decoded WTB data flow is sent toIn MVB bus, so that the MVB equipment in MVB bus of being connected to obtains described WTB equipmentWTB data flow.
4. a TCN standby gateway device, is characterized in that, comprising:
Monitoring modular, the life signal sending for monitoring the primary gateway device of TCN;
Processing module, does not change if be informed in described life signal in Preset Time for judgement,According to pre-stored MVB agreement and WTB agreement, the data flow receiving is carried out to conversion process.
5. TCN standby gateway device according to claim 4, is characterized in that, described processingModule, specifically for according to MVB agreement, compiles the MVB data flow of the MVB equipment obtainingCode, and the MVB data flow after coding is sent to the CPU board card of described TCN standby gateway device,Receive MVB data flow after described coding and to the MVB after described coding by described CPU board clampingData flow is decoded, to obtain decoded MVB data flow, and by described decoded MVB numberSend in WTB bus according to stream, so that described in the WTB equipment in WTB bus of being connected to obtainsThe MVB data flow of MVB equipment.
6. TCN standby gateway device according to claim 4, is characterized in that, described processingModule, specifically for according to WTB agreement, compiles the WTB data flow of the WTB equipment obtainingCode, and the WTB data flow after coding is sent to the CPU board card of described TCN standby gateway device,Receive WTB data flow after described coding and to the WTB after described coding by described CPU board clampingData flow is decoded, and obtains decoded WTB data flow, and by described decoded WTB dataStream sends in MVB bus, so that the MVB equipment being connected in MVB bus obtains described WTBThe WTB data flow of equipment.
7. a data handling system, is characterized in that, comprises the primary gateway device of TCN and as rightRequire the TCN standby gateway device described in any one in 4～6, described TCN standby gateway device is passed throughEthernet line is connected with the primary gateway device of described TCN.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410571043.5A CN105591774A (en) | 2014-10-23 | 2014-10-23 | Data processing method, TCN (Train Communication Network) standby gateway device and data processing system |
| PCT/CN2014/093347 WO2016061878A1 (en) | 2014-10-23 | 2014-12-09 | Data processing method, tcn standby gateway device and data processing system |
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| CN201410571043.5A CN105591774A (en) | 2014-10-23 | 2014-10-23 | Data processing method, TCN (Train Communication Network) standby gateway device and data processing system |
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| CN112866147A (en) * | 2021-01-04 | 2021-05-28 | 中车青岛四方车辆研究所有限公司 | RS485-MVB gateway based on HDLC protocol and communication method |
| CN112866147B (en) * | 2021-01-04 | 2023-05-23 | 中车青岛四方车辆研究所有限公司 | RS485-MVB gateway based on HDLC protocol and communication method |
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| WO2016061878A1 (en) | 2016-04-28 |
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